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A tensile test is performed on each link of the entire chain. Each section of anchor chain is to be subjected to a tensile load test on an approved testing machine according to the corresponding grade of anchor chain. During the test, the relative position of each chain link shall be correct, and the entire chain shall not be twisted. After the load has been removed, each section of the chain, including its dimensions, is to be inspected and there should be no obvious defects. Chainrings and accessories should be carefully checked for appearance, size and relative rotational flexibility, and permanent elongation should not exceed 5% of their original length.