The Emirate of Dubai is the second largest of the seven United Arab Emirates but has the biggest population at over 2.1 million inhabitants.Size has been synonymous with Dubai as it continues to build the first, largest and the biggest constructions in the world.he Emirate of Dubai is the second largest of the seven United Arab Emirates but has the biggest population at over 2.1 million inhabitants.
From Wikipedia, the free encyclopedia. Welder certification, (also known as welder qualification) is a process which examines and documents a welder's capability to create welds of acceptable quality following a well defined welding procedure.elder certification is based on specially designed tests to determine a welder 's skill and ability to deposit sound weld metal.
All this information is documented on Welding Procedure Specification (WPS), Procedure Qualification Record (PQR), Welding Procedure Qualification Record (WPQR), and associated Test Reports. Produce a welding procedure specification (WPS) as stated above. 2  Weld a test piece in accordance with the requirements of your specification. 3  The joint set up, welding and visual examination of the completed weld should be witnessed by a certified welding inspector such as an AWS certified CWI or an Inspection Body.