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2. Metal fabrication - Wikipedia

   en.wikipedia.org/wiki/Metal_fabrication

   Metal fabrication. A set of six-axis welding robots. Metal fabrication is the creation of metal structures by cutting, bending and assembling processes. It is a value-added [1] process involving the creation of machines, parts, and structures from various raw materials. Typically, a fabrication shop bids on a job, usually based on engineering ...

3. Welding - Wikipedia

   en.wikipedia.org/wiki/Welding

   For the play, see Welded (play). Overhead stick welding. Welding is a fabrication process that joins materials, usually metals or thermoplastics, primarily by using high temperature to melt the parts together and allow them to cool, causing fusion. Common alternative methods include solvent welding (of thermoplastics) using chemicals to melt ...

4. Pipefitter - Wikipedia

   en.wikipedia.org/wiki/Pipefitter

   Pipefitter. A pipefitter or steamfitter[1] is a tradesman who installs, assembles, fabricates, maintains, and repairs mechanical piping systems. Pipefitters usually begin as helpers or apprentices. Journeyman pipefitters deal with industrial/commercial/marine piping and heating/cooling systems. Typical industrial process pipe is under high ...

5. Welder - Wikipedia

   en.wikipedia.org/wiki/Welder

   Welder. A welder is a person or equipment that fuses materials together. The term welder refers to the operator, the machine is referred to as the welding power supply. The materials to be joined can be metals (such as steel, aluminum, brass, stainless steel etc.) or varieties of plastic or polymer. Welders typically have to have good dexterity ...

6. Boilermaker - Wikipedia

   en.wikipedia.org/wiki/Boilermaker

   Boilermaker. Statue of a boilermaker by the sculptor Jef Lambeaux. A boilermaker is a tradesperson who fabricates steels, iron, or copper into boilers and other large containers intended to hold hot gas or liquid, as well as maintains and repairs boilers and boiler systems. [1]

7. Welding Procedure Specification - Wikipedia

   en.wikipedia.org/wiki/Welding_Procedure...

   A Welding Procedure Specification (WPS) is a formal document describing welding procedures. It is an internal document used by welding companies to instruct welders (or welding operators) on how to achieve quality production welds that meet all relevant code requirements. Each company typically develops their own WPS for each material alloy and ...