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Why You Should Install a Hook Lock Hook locks stop criminals from stealing your van contents by latching onto the door of your vehicle. They also reduce the risk of accidents on the job site caused by faulty spring latches on standard sling hooks that fail to snap shut when not under load. This paper makes use of bifurcation and numerical continuation theories to analyze the motion characteristics of a particular kind of hook lock mechanism. The influences on the landing gear's weight and locking sp
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