Such yarns are typically used as weft yarns with a cotton warp. A weaving mill needed yarn suitable for the warp and the weft. Pile, warp and weft yarns are excellently balanced. The carcass is often a woven or metal fabric having a warp & weft. Gabardine always has many more warp than weft yarns. The weft is generally coarser than the warp. The mule produced strong, thin yarn, suitable for any kind of textile, warp or weft. The way the warp and filling threads interlace with each other is called the weave. A single thread of the weft crossing the warp is called a "pick". Tantra () literally means "loom, warp, weave". "Enterprise" was the first Earth built starship capable of reaching Warp 5. The shaft therefore could warp or bend by millionths of inches. The song "That Alice" on Laura Veirs' album "Warp and Weft" is about Coltrane. Transwarp generally refers to speeds and technologies that are beyond conventional warp drives. Different levels of those deviations from the zero warp specify the speed limits.