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.
Labor certification is issued by the Secretary of Labor and contains attestations by U.S. employers as to the numbers of U.S. workers available to undertake the employment sought by an applicant, and the effect of the alienâs employment on the wages and working conditions of U.S. workers similarly employed.