7 Machines and machine tools, namely, pneumatically, hydraulically, internal combustion industrial engines and electrically driven machines and machine tools, namely, drills, Earth augers, drill hammers, drilling bits for rock drilling and drill tubes being machine parts, drilling machines, drill derricks, pile drivers, breakers for industrial and commercial applications, hammers, flatters being machines, machine parts in the nature of hammers and axes being blades for machines; valves for pumps; machine parts, namely, filters for centrifugal pumps, electric generators, and centrifugal separators; chisels for machines; winches; pneumatic air preparation equipment, namely, lubricators being parts of machines; main slide valves for pumps; membrane valves for pumps; crank shafts for engines; pumps for machines; flushing heads for drill columns being parts of machines; pipeline components being machine parts, namely, joints for connecting plates, adaptors, and hydraulic valve actuators incorporating a gear mechanism; drilling rigs; machines and machine tools for performance of construction jobs and for treatment of construction materials and surface, namely, concrete and asphalt paving machines and concrete construction machines; shank bits and power shank drills being parts of machines; machine parts, namely, drilling rods for drilling machines; core drilling machines and power-operated metalworking machine tools, namely, drilling tools; casings being fitted covers specially adapted for drilling machines; pumps for machines, including hydraulic, electric and pneumatic pumps; water treatment equipment, namely, dewatering pumps for use in irrigation systems; machine parts, namely, drillings rods, tapered rods and drill bits specially adapted for drilling machines; power drill claw bits and powered hole openers for drilling; bearing housings for machines; machine parts, namely, adapters for drill tool bits specially adapted for drilling machines; machine parts, namely, bushings; post hole borer being boring machines; post hole borers being boring machines and electric post pullers; pumps for machines and concrete mixers; accessories for drilling additives, namely, hydraulic concrete mixers; machine tools, namely, core drilling bits; drilling tools being parts of machines, namely, drill hammers; power drill bits; core drilling bits; water swivels being machine parts, namely, valves for drilling machines; couplings for machines