Helical gears are similar to spur gears except that their teeth are cut at an angle to the hole (axis) rather than straight and parallel to the hole like the teeth of a spur gear.
●Product Description -- Non woven fabric is a fabric-like material made from staple fiber (short) and long fibers (continuous long) It has a number of advantages over woven and knitted fabric: ●it can be designed with specific targeted properties; ●It can