Mass production is the trendy process of manufacturing that takes advantage of concepts like interchangeability and the use of the assembly line. Though notions with regards to mass production existed in many industrialized nations, the notion wasn't thoroughly understood until Henry Ford (1863-

Screw Vacuum Pump: A rotary screw pump is one of the earliest created good displacement pumps which was generally known as the Archimedes‘ screw. In its easiest form, this pump is made of one screw inside of a hollow cylinder. Contemporary patterns include double or triple screws meshing in op