The winch can lift heavy objects vertically, horizontally or obliquely. The winch is divided into three types: manual winch, electric winch and hydraulic winch. The electric winch is the most widely used. It can be used alone or as a component in machinery such as lifting, road building and mine hoisting. It is widely used because of its simple operation, large amount of rope winding and convenient displacement. It is mainly used for material lifting or flat dragging in construction, water conservancy projects, forestry, mines, docks, etc.
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