The bass is unique among the orchestral strings in that it is a member of the viol, not violin, family of instruments. A bass is also sometimes called a string bass, upright bass, or double bass. Bass players are not only in demand in the world of classical music.
Warping: The parallel winding of warp ends from many winding packages (cone, cheese) on to a common package (warp beam) is called warping.arping carries out following operations: Objects of Warping: To arrange a convenient number of warp yarns of related length so that they can be collect on a single warp beam as a continuous sheet of yarns which can be used for sizing or next process.
Denim is a sturdy cotton warp-faced textile in which the weft passes under two or more warp threads. This twill weaving produces a diagonal ribbing that distinguishes it from cotton duck. The most common denim is indigo denim, in which the warp thread is dyed, while the weft thread is left white. As a result of the warp-faced twill weaving, one side of the textile is dominated by the blue warp threads and the other side is dominated by the white weft threads. This causes blue jeans to be white on the inside.