This is the simplest and most common differential unit found in cars and light trucks, it contains four gears (spider gears) which allow the rear wheels to turn at differing speeds so that cornering doesnt cause the inside wheel to be drug along by the outside wheel.
Loom is a mechanical device which is used to produce woven fabric by the insertion of warp and weft yarn. In weaving technology; loom is the principle mechanical device for weaving. Various types of loom are used for doing the weaving task. Various types of designed fabric are produced by changing the machine setting.
A roving is a long and narrow bundle of fibre. Rovings are produced during the process of making spun yarn from wool fleece, raw cotton, or other fibres.Their main use is as fibre prepared for spinning, but they may also be used for specialised kinds of knitting or other textile arts. After carding, the fibres lie roughly parallel in smooth bundles.oving (noun). the operatin of forming the rove, or slightly twisted sliver or roll of wool or cotton, by means of a machine for the purpose, called a roving frame, or roving machine. Roving (noun). a roll or sliver of wool or cotton drawn out and slightly twisted; a rove. See 2d Rove, 2.