DEFINITION of 'Clayton Antitrust Act'. An amendment passed by the U.S. Congress in 1914 that provides further clarification and substance to the Sherman Antitrust Act of 1890. The Clayton Antitrust Act attempts to prohibit certain actions that lead to anti-competitiveness.Next Up.n amendment passed by the U.S. Congress in 1914 that provides further clarification and substance to the Sherman Antitrust Act of 1890.
WPS further explains the rules and details of the test and how the pieces should be assembled. Simply put, a WPS is like a blueprint for welders to produce the same quality of welded product over and over again. Product Qualification Record is another type of document that also refers to welding.
All this information is documented on Welding Procedure Specification (WPS), Procedure Qualification Record (PQR), Welding Procedure Qualification Record (WPQR), and associated Test Reports. Once the test is completed the necessary forms have to be completed by you or the test body and signed by the test bodyâs surveyor. 2  Note that any changes that require a new welding procedure (WPS) may also apply to the welders approval, refer to the referencing code/ standard for precise details.