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.
Weaving Machine: Weaving Machines (Loom): Figure 8: Cross sectional of the weaving loom. The cross sectional of weaving loom shows the main parts in the loom and the flow from the warp yarn inserting start from the weaver beam through weaving area and finally the fabric done wound onto the cloth roller.