The lifting chain requires a sprocket when the traction chain as a mechanical. Therefore, you need to smooth the chain during installation. Don't twist the direction of the chain. You need to pay attention when you are made into a tie, and you need to go straight during installation so that you can determine the direction of the hook. Between the ring and the ring of the chain, there is also the flexible activity between the connector. Refer to the standard load when choosing a chain. The use of the angle of the angle to be used as a cable will become smaller.