But they are constructed in a similar way, using a technique called weft insertion to wrap a thin line of high-strength material such as Kevlar around a core made of specially processed elastic polyester.
In a report published last year, the National Research Council in Washington, DC, identified a number of cross-cutting concepts (such as "cause and effect" and "stability and change") that provide the weft and the warp of science.
What could be simpler?What comes over most clearly in Mr Armitage's version is the weft and warp of the story.
Mr Clark brings the Tory party's enthusiasm for localism to bear: communities who know "the warp and weft of local ways" are best placed to find solutions by, for example, identifying unused pockets of land that could be suitable for housing, he says.
Corduroy and velveteen are weft-pile constructions.
Cheaper grades are woven with a rayon warp and worsted or cotton weft.
The older pieces had a cotton foundation, with a single shot of weft carried across the rug after each row of symmetrical knots.
Modern cambric is made from choice American or Egyptian cotton, with both warp and weft, or filling, yarns ranging from 60 to 80 in size (count), and is usually lightly calendered to produce a slight gloss on one side.
Twills with more warps than wefts floating on the fabric's face are called warp faced; those with wefts predominating, weft faced.
Classic damask is a patterned solid-coloured fabric with figures in warp-faced satin and background in weft-faced satin weave.
To produce it, the warp yarns are held parallel under tension while a crosswise weft yarn is shot over and under alternate warps across the width of the web.
