Abrasive disks for power-operated grinders; Counter-current swimming machines for use in swimming pools to enable swimming in place against an adjustable counter-current, featuring pumps, motor, and adjustable current director outlets; Drilling machines and parts therefor; Extensions for power tools; Machines for cleaning surfaces using high pressure water; Power-operated tools, namely, drill hammers; Power tools, namely, burrs; Power tools, namely, circular saws; Precision machine tools, namely, hard metal tools, high speed steel (HSS) tools, carbide tools, ceramic tools, poly crystalline diamond (PCD) tools, and diamond-coated and diamond-uncoated tools, and hard metal tools, all for use in the cutting and forming of materials by others; Pump control valves; Replacement parts for chain saws, namely, bars and chains; Replacement parts for machines, namely, replacement parts for trench excavators, drag-line excavators, hoisting machines, locomotive cranes, shoveling machines, power shovels and log handling machines, namely, chassis parts, hydraulic and pneumatic parts; Sanding pads for power-operated sanders; Steam cleaning machine parts, namely, suction nozzles; Vehicle washing installations