| Chain : series of links or rings, usually made of metal, joined to form a flexible cable. Chains are used in ornaments and jewelry, and to perform a variety of mechanical functions, including lifting, pulling, restraining heavy loads, and transmitting power. The shape of the link determines the chains function.The exact origin of chain is unknown, but it has been used for more than 2500 years. Archaeologists have found evidence of chains made of bronze and other metals in the ancient civilizations of Mesopotamia, Egypt, Greece, and Rome. Among other functions, they were used to secure ships and to shackle slaves and criminals. |
