--subdivision Design and construction under types of machines, equipment, etc. e.g., Automobiles--Design and construction
2
-- See Also the narrower term Materials Here are entered comprehensive works on the basic engineering and industrial materials used in the construction of devices, apparatus, structures, equipment, etc. --subdivision Materials under scientific and technical disciplines and under types of equipment and construction, e.g. Electronics--Materials; and phrase headings for special types of materials, e.g. Building materials; Raw materials