A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. It second most important invention after wheels are indistinct and small but are very useful from the refrigerator to cellar door. Without hinges, the opening of any door would be very difficult. Centuries ago, hinges were made of wood and leather, but now majority of the hinges are made of various metals and very few are made of engineered plastics. Hinges can be formed of various materials, be it flexible or comprising of moving components. They are available in different finishes as well to suit the purpose and color options but antiqued copper, chrome, brass and black are the[…]