despatch assorted home yarn types of yarn winding types of yarn winding there are two types of winding machines: precision winders and drum winders. precision winders, used primarily for filament yarn, have a traverse driven by a cam that is synchronized with the spindle and produces packages with a...
or strips of wood) and daub (a composite of mud or clay, straw, gravel, lime, hay, and other substances using a heat source for backing and drying from the sun). another advanced civilization, the mongols, were also pioneers in the use of composites. beginning around a.d., they began building high performance...