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.
loom O.E. geloma utensil, tool, from ge- perfective prefix + -loma, of unknown origin. Originally implement or tool of any kind (cf. heirloom); thus, the penis (c.1400-1600). Meaning a machine in thich yarn or thread is woven into fabric is from 1404.