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Chain Block for Raising and Lowering Loads.
Chain Block is useful for raising and lowering loads in a vertical way. The use of this tool can be connected to the installation of a trolley, which is used to shift the chain block along with the transport load in a horizontal manner. Chain blocks are usually operated manually, but some are connected to the engine, so they can work automatically or electrically.

Chain block consists of a chain which is used as the main component, with load chain and hand chain for support. There is also a pulley or pulley/hoist, which allows the tool to work through a pulley system. Therefore, it allows loads weighing thousands of kilos to be lifted using human hands. There is also the use of a toothed wheel or gear to drive the pulley on the chain block.

There are several other supports on the chain block, such as upper hook, lower hook and hook. As the name implies, the upper hook is placed at the top, used to hook the chain block into other objects, thus making the tool able to hang safely.

In addition, the lower hook is located at the bottom which is useful for hooking the chain block to the object to be lifted.