Loom: A loom is a device used to weave cloth and tapestry. The basic purpose of any loom is to hold the warp threads under tension to facilitate the interweaving of the weft threads. The precise shape of the loom and its mechanics may vary, but the basic function is the same. Weaving: Weavin g is done by intersecting the longitudinal threads, the warp , i.e. "that which is thrown across", with the transverse threads, the weft , i.e. "that which is woven". The major components of the loom are the warp beam, heddles , harnesses or shafts (as few as two, four is common, sixteen not unheard of), shuttle, reed and take up roll. In the loom, yarn processing includes shedding, picking, battening and taking-up operations. These are the principal motions. · Shedding : Shedding is the raising of part of the warp yarn to form a shed (the v...