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Line 1: − A '''door hinge''' is a mechanism that allows one part to rotate in relation to a fixed part. For a [[door]] the fixed part is the [[wall]] and the movable part is the door. The mechanism may include bearings for heavy doors, and may provide for the door to swing either direction or be self-closing. − A [[commercial]] [[kitchen]] door is an example of a door that will open in either direction, enabling waiters to push the door open from either side. − − Self closing hinges either incorporate a spring or use the hinge design to make [[gravity]] do the work. − − − [[Category: Furniture]]
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