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.
The earliest art of hand weaving along with hand spinning remains a popular craft. There are different types of weaving looms and these include handloom, frame loom and back strap loom. A loom is a mechanism or tool used for weaving yarn and thread into textiles. Looms vary in a wide assortment of sizes.