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An ornate brass door hinge A barrel hinge. A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation, with all other translations or rotations prevented; thus a hinge has one degree of freedom.
A cupboard is a piece of furniture for enclosing dishware or grocery items that are stored in a home. The term is sometimes also used for any form of cabinet or enclosed bookcase . It gradually evolved from its original meaning: an open-shelved side table for displaying dishware , more specifically plates, cups and saucers.
Slot screw drives have a single horizontal indentation (the slot) in the fastener head and is driven by a "common blade" or flat-bladed screwdriver.This form was the first type of screw drive to be developed, and, for centuries, it was the simplest and cheapest to make because it can just be sawed or filed.