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.
The Industrial Fabrication process of Thermoplastics is a secondary manufacturing process which can be defined as the use and further modification of primary manufactured sheet, pipe, lining and moulded or formed profiles using compatible materials and welding methods to produce a final product or system which can be used in conjunction with or in isolation from non-thermoplastic materials in the provision of a service, facility, system or process in a diverse range of Industrial applications.