A
Mining Machinery and Equipment, Except Oil and Gas Field Machinery and Equipment
Bits, Except Oil and Gas Field Tools, Rock
Classifiers (Metallurgical or Mining Machinery)
Coal Breakers, Cutters, and Pulverizers
Crushing, Pulverizing, and Screening Equipment
Drills and Drilling Equipment, Mining (Except Oil and Gas)
Drills, Bits, and Similar Equipment
Mineral Beneficiation Equipment
Mining Equipment and Supplies-Manufacturers