Narrower Terms (15)

• Bolts and nuts industry
• ▶ Copper industry and trade
• Cutlery trade
• ▶ Forging industry
• ▶ Hardware
• ▶ Iron industry and trade
• ▶ Metal castings industry
• Metal powders industry
• Metalworking industries
• Nail industry
• ▶ Nonferrous metal industries
• Precious metal industries
• Sheet metal industry
• ▶ Steel industry and trade
• ▶ Wire industry