Contrast. A principle of design that refers to differences between elements such as color, texture, value, and shape.
Explanation:
It has been used as an industry, a driver of trade, individual hobbies, and in the creation of art;[1] it can be regarded as both a science and a craft.
Modern metalworking processes, though diverse and specialized, can be categorized into one of three broad areas known as forming, cutting, or joining processes. Modern metalworking workshops, typically known as machine shops, hold a wide variety of specialized or general-use machine tools capable of creating highly precise, useful products. Many simpler metalworking techniques, such as blacksmithing, are no longer economically competitive; these may be performed as individual hobbies or historical reenactments.
