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Gauge/ pitch:
The number of ends of surface yarn counting across the width of carpet.
In tufted carpet, gauge is the number of ends of surface yarn per inch
counting across the carpet; e.g., 1/8 gauge = 8 ends per inch. In woven
carpet, pitch is the number of ends of yarn in 27 inches of width; e.
g., 216 pitch divided by 27 = 8 ends per inch. To convert gauge to pitch,
multiply ends per inch by 27; e.g., 1/10 gauge is equivalent to 270 pitch,
or 10 ends per inch.
Graphics machine:
A form of tufting machine capable of producing patterns, usually by the
use of shifting needle bars that may be individually controlled, or by
individually controlled needles or a combination of the two. Major refinements
using computer technology have been engineered into "graphics machines." Each new machine improvement brings tufting patterns nearer to those of woven capability.
Greige goods:
(Pronounced "gray" goods.) Term designating carpet in an undyed
or unfinished state.
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