Structure of Social Security Numbers. A Social Security Number (SSN) consists of nine digits, commonly written as three fields separated by hyphens: AAA-GG-SSSS. The first three-digit field is called the area number. The central, two-digit field is called the group number. The final, four-digit field is called the serial number.
Fabrication, is the building of something brand new, that's never been seen before, or invented. Manufacturing, is the duplication of something on a mass scale. Generally, the way it works is, you fabricate something that you need, then manufacture what you fabricate. A good example is, a car company decides to design a brand new car from the ground up.
Lean manufacturing is not a head-count reduction system; instead Lean manufacturers understand employees on the shop floor know their work best. Lean manufacturers donât want employees to work harder, or faster â they want employees to work more efficiently.he difference must then be in how the tools were applied, their appropriateness, but not the tools themselves. 2. Lean is Not Devoid of Technology. The fundamental principle of Lean manufacturing is to design a simple manufacturing system, however, that does not mean eliminating technology.