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| Letter M |
M
Machine-washable: A term denoting that a textile article can be washed in a domestic washing machine to remove dirt and other extraneous substances using an aqueous detergent solution at elevated temperatures.
Madapolam: A bleached or dyed plain cotton fabric with a soft finish in any of a wide range of qualities used for ladies wear.
Madras: One of the oldest staples in the cotton trade, a lightweight plain weave cotton fabric with a striped, plaid, or checked pattern. A true madras will bleed when washed. This type of fabric is usually imported from India. End-uses are men's and women's shirts and dresses.
Madras: Cotton fabric hand-woven in the madras region of India.
Madras Plaid: Bright multicolored plaids characteristic of Indian madras.
Maline: A fine hexagonal open mesh net similar to tulle. Used for veils millinery trim.
Mandeel: A kind of decoratively worn turban.
Mangle: A machine whose purpose is to express liquid from moving textiles by passage through a nip. The textile may be in rope form or in open width, and the mangle may consist of two or more rollers (bowls) running in contact.
Manila: See abaca.
Manila: A type of fiber obtained from the leaves of the abacá, a relative of the banana. It is mostly used for pulping for a range of uses, including specialty papers and once used mainly to make manila rope. Manila envelopes and manila papers take their name from this fiber. See also "natural vegetable fibers".
Man-made fibre: A fibre manufactured by man as distinct from a fibre that occurs naturally.
Man-made fibres: All fibres or filaments manufactured by man as distinct from those that occur naturally.
Mantua, also manteau: Widespread female dress of the late 17th century. Developed from a t-shaped garment, which is first pleated informally at the shoulders and the waist pleats are controlled by a belt. Instead of cutting the bodice and skirt as separate pieces that were sewn together, bodice and skirt were cut in one length from shoulder to hem. Cut to fall full in back and front, the garment was worn over a corset and an underskirt. Front skirt edges were often pulled to the back and fastened to form a draped effect, the so-called waterfall-back drape.
Marl: To run together and draft into one, two slubbings or rovings of different colour or lustre.
Marl effect yarn (continuous-filament): Two single, continuous-filament yarns, of different solid colours or dyeing properties (subsequently dyed) doubled together., Also termed ingrain (filament yarn).
Marl Yarn (woollenen): A yarn consisting of two woollen-spun single ends of different colours twisted together.
Marlborough bucket boot: Thigh-high riding boot with cup-shaped wide top, square toes and higher heels than the jackboot. Made from stiff leather; fourth quarter of 17th century to beginning of 18th century.
Marled: Yarns made up of 2 different colors, produced by combining fiber strands (rovings) of 2 different colors, or twisting together 2 yarns of different colors, or by cross dyeing plied yarns of 2 different fibers.
Marocain: A woven crepe fabric with a wavy rib effect in the weft resulting from the use of high twist yarns. Used in women's dresses, suits.
Marquisette: Fine lightweight open mesh fabric. Used for curtains, mosquito netting, trim for evening wear, or millinery.
Mashru: A fabric woven of silk and cotton, the warp of one material and the weft of the other. Literally, 'that which is in accordance with the shara, Muslim holy law, which disapproves of an arel made of silk.
Mask: Theatrical accessory in ancient times, it was adopted in the 16th and 17th century by women, to protect the wearer's complexion and preserve her incognito. See also vizor.
Mass Stress: A term that has been superseded by specific stress.
Mass-coloured: descriptive of man-made fibres in which colouring matter (e.g., Dye or pigment) has been incorporated before the filament is formed.
Mass-pigmented: Descriptive of a form of mass-coloration in which a pigment is used.
Matchings: Wool that has been sorted.
Matelasse: A fancy double woven or compound fabric that has the appearance of being padded, puckered or quilted. It is usually woven on a jacquard loom. Used for upholstery, drapery, vests. Lighter weights are used for dresses and other apparel.
Matelassé: A medium to heavyweight luxury fabric made in a double cloth construction to create a blistered or quilted surface. Common end-uses are upholstery, draperies, and evening dresses.
Matt: See dull.
Matte Jersey: Tricot with a dull surface made with fine crepe yarn.
Mature Cotton: Cotton whose fibre wall has thickened to an acceptable degree., See also immature cotton, motes.
Maturity: An important cotton fibre characteristic which expresses the relative degree of thickening of wall. It is sometimes defined as the ratio of the cross-sectional area of the fibre wall to the area of a circle having the same perimeter as that of the fibre, or the ratio of the average wall thickness to the radius of the circle having the same perimeter as that of the fibre. However, in practice, measurement of the degree of wall thickening is seldom carried out and the average maturity of a given sample of cotton is estimated by one or more of several indirect tests which are often used to discover the proportion of fibres having a maturity greater than some selected level.
Mauritius hemp: A fibre from the leaf of the plant furcraea gigantea., Also termed mauritius fibre, see also fibre types.
Mechanical Stretch: Fabrics that have stretch properties but no not use spandex or other stretch yarns. The stretch is usually created in the finishing process.
Mechlen Lace: A bobbin lace characterized by delicate florals outlined with a silky thread.
Medulla: The central portion of some animal fibres consisting of a series of cavities formed by the medullary cells which collapse during the growth process. In some fibres e.g., Wool and Kemp, the medulla forms the greatest portion of the fibre and is surrounded by a comparatively thin layer of cortex.
Melange/heather: A variation in tone or mottled look. May be done by mixing fibers or yarn of different colors together, printing of the top before spinning the yarn, or cross dyeing the fabric.
Melt Blowing: A process in which a polymer is melt-extruded through a die into a high-velocity stream of hot air, which converts it into fine and relatively short fibres. After quenching by a cold air stream, the fibres are collected as a sheet on a moving screen.
Melt fracture: An unstable melt-spinning condition in which the surface of the extrudate becomes rough and irregular.
Melt spinning (man-made fibre production): Conversion of a molten polymer into filaments by extrusion and subsequent cooling of the extrudate.
Melton: A heavily felted, tightly woven fabric with a sheared nap giving it a smooth surface. It is almost always of wool or a wool blend. Used mainly for coats but lighter weights may be used for other apparel.
Melton: A heavily felted, hard, plain face-finished cloth used for overcoatings, uniform fabrics, hunting cloth, and riding habits. Light melton is the fabric used asunder-collar cloth in coatings.
Melt-spun: Descriptive of man-made filaments produced by melt-spinning.
Membrane: A thin, soft material made from a polymer which is laminated to the fabric to provide properties such as strength, water-proofing or wind-proofing to enhance the fabrics performance.
Mercerization: A process of treating a cotton yarn or fabric, in which the fabric or yarn is immersed in a caustic soda solution and later neutralized in acid. The process causes a permanent swelling of the fiber, resulting in an increased luster on the surface of the fabric, an increased affinity for dyes, and increased strength.
Mercerisation: The treatment of cellulosic textiles, in yarn or fabric form, with a concentrated solution of a caustic alkali whereby the fibres are swollen, their strength and dye affinity is increased and their handle (q.v.) is modified. Note: stretching the swollen materials while wet with caustic alkali and then washing the alkali has the additional effect of enhancing the lustre (q.v.).
B) the process of steeping cellulose in a concentrated caustic soda solution.
Mercerization: The treatment of cellulosic textiles in yam or fabric form with a concentrated solution of caustic alkali whereby the fibres are swollen, the strength and dye affinity of the materials are increased, and the handle is modified. The process takes its name from its discoverer, john mercer (1844)., The additional effect of enhancing the lustre by stretching the swollen materials while wet with caustic alkali and then washing off was discovered by horace lowe (1889). The modern process of mercerization involves both swelling in caustic alkalies and stretching, to enhance the lustre, to increase colour yield, to improve dyeability of dead cotton and to improve the strength of the cotton. A related process, liquid ammonia treatment produces some of the effects of mercerization. In chain mercerizing, shrinkage in fabric width is allowed, followed by re-stretching and washing on a clip-stenter. In chainless mercerizing, the fabric is effectively prevented from shrinking by transporting over rotating drums.:(2) hot mercerization, the treatment of cellulosic fabric with a hot concentrated solution of caustic alkali to facilitate uniform penetration prior to cooling and stretching etc., So as to improve the degree of mercerization.
Mercerized: A finishing process for cotton using caustic soda which may be applied at the yarn or fabric stage resulting in additional luster, improved strength and an improved ability to take dye.
Merchant Converter: An individual who or an organization which locates a supplier and purchases grey fabric, procures its finishing and then re-sells the finished fabric to customers.
Merino: Wool from merino sheep. The merino breed of sheep originated in Spain and the wool is noted for its fineness and whiteness. It was confined to Spain until the late 1700's when merino sheep were exported to, and bred in, many other countries. Well known types of merino are: Australian ramboulliet, vermont, south African, saxony etc. The word 'merino' is now almost synonymous with 'fine wool'., (2) a pre-20th century term applied in France and Germany to worsted fabrics produced from yarns using merino or other fine wools., (3) a plainback worsted fabric developed in england in the 1820's. It was made from fine yarns spun from merino or other fine wools of 23 to 28 Tex for the warp and 17 to 22 Tex for the weft. The stimulus for the development of this fabric was the availability of fine machine-spun worsted yarn, (4) woollen fabrics made in england from yams produced from wool reclaimed from soft woollen and worsted dress goods., (5) a French shawl made from two-fold warp yam using merino wool. The weft yarn is made from other wool or silk., (6) a fine cotton fabric used as a dress material in the Philippines. It is made from yarns of 13 Tex for the warp, and 15 to 10 Tex for the weft with 32 ends x 32 picks per cm.
Merino: A type of wool that originates from pure-bred merino sheep. The best merino wool comes from Italy and Turkey. The highest, finest and best wool obtained anywhere in the world. This fiber is used only in the best of woolen and worsted fabrics, billiard cloth, etc.
Merino: Refers to wool from the merino sheep which produces a fine, strong elastic fiber of very high quality. It can be washed to a clean white color and has good felting and spinning characteristics.
Mesh: A general term for fabric with open spaces between the yarns. It may be knit, woven or knotted (net) in construction.
Mesh: A type of fabric characterized by its net-like open appearance, and the spaces between the yarns. Mesh is available in a variety of constructions including wovens, knits, laces, or crocheted fabrics.
Mesta: See kenaf.
Metachrome Process: A single-bath method of dyeing in which the fibre is treated in a dye-bath containing a suitable chrome dye together with a chromate, whereby a dye-chromium complex is formed within the fibre.
Metal (fibre) (generic name): A term used to describe fibres made from any metal.
Metallic: A highly lustrous, reflective fabric that has the appearance of metal. May be coated or made from synthetic yarns in metallic colors.
Metallic: An inorganic fiber made from minerals and metals, blended and extruded to form fibers. The fiber is formed from a flat ribbon of metal, coated with a protective layer of plastic, which reduces tarnishing. Metal used in apparel fabric is purely decorative.
Metallized Yarn: A yam which has free metal as a component, note: there are several types, the best known of which are. (2) metal of narrow strip section, usually lustrous. The metal may be coated with film such as viscose cellulose ethanoate (acetate), butanoate (butyrate), or polyester. The film may be coloured, (3) yarns on which metal is deposited, e.g, chemically or by electric arc, or by adhesive,, (4) multi-end yams in which at least one single yarn is metallic, (cf. Tinsel yarn.), (5) a gimp in which the helical covering consists of a metallic or laminated strip.
Metameric: Descriptive of objects that exhibit metamerism.
Metameric Match: A colour-match that is judged to be satisfactory under a particular illuminant but not under other illuminants of different spectral composition.
Metamerism: A marked change in the colour of an object with a change in the spectral composition of the light by which it is viewed.
Note: metamerism can be judged only with reference to the changes occurring in other objects in the fields of view as the illumination is changed.
Metamerism: A phenomenon whereby the nature of the colour difference between two similarly coloured objects, changes with change in the spectral distribution (characteristics) of the illuminant., Note 1: metamerism is most frequently seen when two coloured objects match in daylight, but differ markedly in colour when viewed in tungsten-filament light. This arises because the visible absorption spectra of the two objects differ significantly, although the tristimulus values in daylight are identical., Note 2: this term is often used loosely to describe the behavior of a single coloured object that shows a marked change of colour as the illuminant changes. Use of this term in this way is incorrect: this effect should be described as lack of colour constancy.
Metier: The bank of cells or compartments used in the dry-spinning of cellulose ethanoate (cellulose acetate).
Microclimate: The temperature and humidity of the space between your skin and the base layer of clothing.
Microfiber: Extremely fine synthetic fiber used to produce soft, lightweight fabrics. Microfiber is often defined as fibers of less than 1 denier per filament but the term is used loosely in the industry. May be polyester, nylon, acrylic, rayon or other fibers. Used for rainwear, outerwear and various other types of apparel.
Microdeniers: One of the most important developments in spinning man- made fibers is the technology of microdeniers where continuous filament fibers emerge from a spinnerette less than one denier per filament in weight. This makes polyester, nylon, acrylic, or rayon, thinner than a silk-worm's web, which is one denier per filament. by comparison, a human hair is generally 2 to 4 deniers per filament. These superfine fibers have made a striking impact on fashion around the world in dress, sportswear, intimate apparel and activewear fabrics.
Micromattique: Brand of polyester microfiber trademarked by du pont.
Micronaire Value: A measurement of cotton fibre quality which is a reflection of both fineness and maturity. Low values indicate fine and/or immature fibres; high values indicate coarse and/or mature fibres. Micronaire value is determined in practice by measuring the air permeability of a specified plug of cotton fibres.
Micro-encapsulation: A method of enclosing polymer additive materials in microscopic capsules, which can then be released under certain conditions to enhance performance properties.
Microfibers/microdeniers: The name given to ultra-fine manufactured fibers and the name given to the technology of developing these fibers. Fibers made using microfiber technology, produce fibers which weigh less than 1.0 denier. The fabrics made from these extra-fine fibers provide a superior hand, a gentle drape, and incredible softness. Comparatively, microfibers are two times finer than silk, three times finer than cotton, eight times finer than wool, and one hundred times finer than a human hair. Currently, there are four types of microfibers being produced. These include acrylic microfibers, nylon microfibers, polyester microfibers, and rayon microfibers.
Microfleece: A soft, luxorous fabric with a velvety feel.
Micron: A unit of measure that describes the average staple fiber diameter in a lot of wool. Over he past 30 years, the micron measurement has evolved to become the predominant term used commercially to describe the fineness of a wool fiber. A micron is determined by the actual measurement when the wool lots are tested for sale during wool processing. Most wool fibers range in the area of 18-40 micron. Merino wool falls into the 18-24 micron range. The 25-32 micron, medium range wool, is usually defined by the word "shetland", and is used in such applications as blankets and knitwear apparel. The 33-40 range micron usually describes the wool most often used in the carpet industry.
Microporous: A coating on a fabric that breathes through microscopic pores.
Middle Weight: A weave that is tighter than lightweight, which combines warmth and wickability.
Migration: The movement of an added substance, e.g. a dye or an alkali, from one part of a textile material to another.
Milanese: A warp knit process resulting in a fabric with a fine rib on the face and a diamond effect on the back. Used for women's lingerie and other apparel.
Mildew: A superficial growth of certain species of fungi., Note: on textile materials, this may lead to discoloration, tendering, and variation in properties.
Milled/fulled: A method of compressing, shrinking and felting a fabric through the use of moisture heat and mechanical pressure. Usually done on wool and wool blends such as melton. The process often obscure the weave.
Milling (fabric finishing): The process of consolidating or compacting woven or knitted fabrics that usually, although not exclusively contain wool., Note., The treatment, which is usually given in a cylinder milling machine or in milling stocks, produces relative motion between the fibres of a fabric. That have been wetted out and swollen with a liquid of suitable ph. Depending on the type of fibre and structure of the fabric and on variations in the conditions of milling, a wide range of effects can be obtained varying from a slight alteration in handle to a dense matting with considerable reduction in area.
Millitex: A unit of the Tex system.
Mineral Dyes: A natural dyestuff made from minerals, including ocher, limestone, manganese, cinnabar, azurite, and malachite.
Mini Check: A very small pattern of squares or rectangles. May be yarn dyed, printed, or woven into the fabric.
Minimum-care: See drip-dry.
Mirzai: A kind of jacket, often understood as a 'quilted coat'. It was generally worn sleeveless over a shirt as outer garment; worn sometimes also next to the skin, without anything underneath it.
Mixed End: A warp yarn that is unintentionally different in material, linear density, filament, twist, lustre or colour, etc., from the adjacent normal warp yarns.
Mock Leno Weave: A weave that has open spaces between groups of warp yarns and between groups of weft yarns and a similar appearance to that of a leno weave (q.v.).
Mock Leno: A woven fabric made on a dobby loom with an open mesh design that simulates a leno weave by interlacing and grouping the warp and weft yarns with spaces between the groups. Warp yarns are not paired as in a true leno weave.
Modacrylic (fibre) (generic name): Fibres composed of synthetic linear macromolecules having in the chain between 35% and 85% (by mass) of recurring cyanoethane (acrylonitrile) groups.
Modacrylic Fiber: A manufactured fiber similar to acrylic in characteristics and end-uses. Modacrylics have a higher resistance to chemicals and combustion than acrylic, but also have a lower safe ironing temperature and a higher specific gravity than acrylic.
Modal (fibre) (generic name): A term used to describe fibres of regenerated cellulose obtained by processes giving a high tenacity and a high wet modulus. These fibres must be able, in the wet state, to withstand without breaking a force of 22.o cn per Tex. Under this force, the elongation in the wet state should not be greater than 15%.
Modeste: French word for the outer layer of a skirt. The underlayer was called secrte.
Mohair: Fibre from the angora goat (capra hircus), (2) descriptive of yams spun from mohair.
Mohair: The long, lustrous and strong hair fibers from the angora goat. End-uses include sweaters, coats, suits, and scarves.
Mohair Braid: Any type of braid made from mohair yams.
Moire: A wavy watermark pattern produced by calendering 2 layers of fabric together or embossing with an engraved roller. This causes the embossed or crushed parts of the fabric to reflect light differently. It is often done on corded fabrics and is often used for upholstery and drapery.
Moire finish: A wavy, rippled or watered appearance on a woven rib fabric and that is produced by the action of heat and heavy pressure from rollers.
Note: The appearance is caused by differences in the reflection of light by the flattened and the unflattened portions of the ribs, and there is no definite repeat in the pattern.
Moiré/watermarked: A corded fabric, usually made from silk or one of the manufactured fibers, which has a distinctive water-marked wavy pattern on the face of the fabric where bright-and-dim effects are observed.
Moir Fabric: A ribbed or corded fabric that has been subjected to heat and heavy pressure by rollers after weaving so as to present a rippled appearance. The effect arises from differences in reflection of the flattened and the unaffected parts. This type of fabric is also correctly described as watered.
Moisture content, percentage: The weight of moisture in a material expressed as a percentage of the total weight.
Moisture Content: The mass of water in any form in a textile, determined by using prescribed methods and expressed as a percentage of the mass of the moist textile. (see also moisture regain).
Moisture Regain: The mass of water in any form in a textile, determined by using prescribed methods and expressed as a percentage of the mass of the dried textile.
Moisture Regain: The amount of water a completely dry fiber will absorb from the air at a standard condition of 70 degrees f and a relative humidity of 65%. Expressed as a % of the dry fiber weight.
Moisture Transport: The movement of water from one side of a fabric to the other, caused by capillary action, wicking, chemical or electrostatic action.
Moity wool: A term used mainly in the UK, for wool containing vegetable matter (straw, hay, twigs, etc.,) Picked up by sheep during grazing.
Monk's cloth: A heavy weight cotton fabric utilizing the basket weave variation of the plain weave. Used for draperies and slip covers, monk's cloth is an example of 4 x 4 basket weave. It has poor dimensional stability and tends to snag.
Monofilament: Any single filament, generally a coarser manufactured fiber. Monofilaments are generally spun individually, rather than being extruded through the spinneret in groups of filaments. Cross-sections may be of various shapes.
Monofilament: A single filament of a manufactured fiber, usually made in a denier higher than 14. Monofilaments are usually spun singularly, rather than extruded as a group of filaments through a spinneret and spun into a yarn. End-uses include hosiery and sewing thread.
Molar mass (polymer): The average of the sum of the atomic weights of the atoms present in the chains of macromolecules in a polymer. This average will in general depend upon the basis on which calculated, and this should be stated, e.g., It may be based on a number average or a mass average.
Moleskin: A strong, heavy, woven fabric with a short, smooth nap produced by brushing and shearing the surface. Usually of cotton.
Molten-metal dyeing process: A method of continuous dyeing in which material is impregnated with an aqueous liquid dye and chemicals and then passed through a bath of liquid low-melting alloy usually below 100 c.
Momme: A Japanese measurement of mass equivalent to 3.76 g (approximately). It is used to indicate the weight per unit area of silk fabric, this being expressed as the weight in momme of a length of degummed fabric 22.8 m in length and 3.8 cm in width., Note: The length measurements used are standard units of length in the Japanese silk industry.
Monk's Cloth: A heavy, coarse, loosely woven fabric made in a basket weave. Used for drapery, upholstery and other home furnishings.
Monofilament Yarn: A yam composed of one filaments that run essentially the whole length of the yarn. Yams of more than one filament are usually referred to as multifilament.
Monofilament Yarn: A yarn composed of one filament that runs the whole length of the yarn.
Monomer: A small, simple, chemical compound from which a polymer is formed., Note: in most cases a given polymer can be made from a variety of alternative monomers. In some cases two or more different monomers are involved in the production of a polymer.
Monotone: Refers to a design in one color.
Moquette: A firm double woven pile fabric used mainly for upholstery. Pile may be cut, uncut or partially cut.
Mordant: A substance, usually a metallic compound, applied to a substrate to form a complex with a dye, which is retained by the substrate more firmly than the dye itself.
Mordant Dye: A dye that is fixed with a mordant.
Moshla: A cap, worn usually by children, covering, apart from the back, the back of the neck through a long, suspended flap.
Moss crepe/pebble crepe: A woven fabric with a characteristic grainy surface and often a spongy hand. Generally made with high twist yarn in a crepe weave. Used in women's suits, dresses etc.
Mossed: A finish usually applied to synthetics which gives the fabric surface an irregular, mottled appearance. 2. A fibrous texture on the surface of felted woolen fabrics.
Motes (cotton): There are two broad categories, (a) fuzzy motes, the largest of this type of mote consists of whole aborted or immature seed with fuzz fibres and sometimes also with very short lint fibres, the development of which has ceased at a very early stage. Small fuzzy motes originate as either undeveloped or fully grown seeds, which are broken in ginning and disintegrate still further in the opening, cleaning and carding processes., (b) bearded needles. A piece of seed coat with fairy long lint fibres attached., Note 1: both classes of mote become entangled with the lint cotton and, when they are present in quantity, their complete elimination is impossible except by combing., Note 2: fuzzy and bearded motes carrying only a small piece of barely visible seed-coat are frequently termed seed-coat neps.
Mottle (UK.): See marl.
Mouches: French word for small black patches worn on the face to hide little blemishes. They came into fashion in the second half of the 17th century and developed far into the 18th century a language of its own, where they were exaggeratedly used even by men and available in diverse shapes.
Mousseline: General term for crisp, lightweight, semi-opaque fabrics. May be made from a variety of fibers.
Muff: Round band of fur or fur lined cloth to protect the hands from the cold.
Muga: See wild silk.
Mughlai pyjama: A pyjama (q. V.) Of the 'mughal' cut.
Mull: soft, thin, plain weave fabric usually of cotton or silk.
Multi-filament yarn: A yam composed of filaments that run essentially the whole length of the yarn. Yams of one filament are usually referred to as monofilament.
Multilobal: Descriptive of a fibre or filament whose cross-section resembles a polygon but has concave sides and rounded vertices (lobes)., Note: The prefixes tri- (3), penta- (5), hexa- (6), octa- (8), etc., Are used with the suffix -lobal to indicate the number of lobes.
Munga: See wild silk.
Mungo: The fibrous material made in the woollen trade by pulling down new or old hard-woven or milled fabric or felt in rag form.
Muslin: A large group of plain weave cotton or cotton blend fabrics. They cover a variety of weights from light, fine sheers to heavier sheetings. Used in interfacings, dresses, shirts, sheets, furniture covers, and many other applications.
Muslin: A generic name for a light-weight, open fabric of plain or simple leno weave traditionally with a cover factor of 5- 10 in the warp and 5-9 in the weft. Normally, muslins did not exceed 2 oz/yd2 (68 g.m-2)). Some of these fabrics are used in the grey state (butter muslin and cheese cloth), whereas others (dress muslins) are bleached and dyed.
Muslin: An inexpensive, medium weight, plain weave, low count (less than 160 threads per square inch) cotton sheeting fabric. In its unfinished form, it is commonly used in fashion design to make trial garments for preliminary fit.
Mutton cloth: A plain-knitted fabric of loose texture, usually cotton, made on a multi-feeder circular-knitting machine.
Mylar: A polyester film used to cover a metallic yarn.
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i learned moire effect thanks
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