Single-phase heat pump. Sec. 12015.  Steel vacuum pitchers with plastic hinged lid. Sec. 12016.  Oil filters. Sec. 12017.  Battery powered nasal irrigators. Sec. 12018.  Struts to absorb vibration. Sec. 12019.  Table saws (25.4 cm.), operable corded and cordless. Sec. 12020.  Sliding miter saws (25.4 cm) with laser, corded and cordless. Sec. 12021.  Electromechanical rotary hammers, corded and cordless. Sec. 12022.  Electromechanical hammer impact drivers, corded and cordless. Sec. 12023.  Rotary hammer drill tools with self-contained electric motor. Sec. 12024.  Drill driver tools with self-contained electric motor. Sec. 12025.  Extruders. Sec. 12026.  Three-dimensional drawing pens. Sec. 12027.  Professional grade three-dimensional drawing pens. Sec. 12028.  Electric multi-functional blower vacuums. Sec. 12029.  Autosamplers (multisamplers) for liquid chromatographs. Sec. 12030.  Autosamplers (vialsamplers) for liquid chromatographs. Sec. 12031.  Hydraulic hammer assembly. Sec. 12032.  Segmented bladder-operated molds, with more than 25-inch rim diameter. Sec. 12033.  Used valves for directional control. Sec. 12034.  Keg spears with pressure release valves. Sec. 12035.  Multiport distribution controllers. Sec. 12036.  Subsea modular trees. Sec. 12037.  Flow selector unit-multi-port 6-branch engine crankshafts. Sec. 12038.  Engine crankshafts. Sec. 12039.  Turbocharger journal bearings. Sec. 12040.  Mid-range bearing housings. Sec. 12041.  Heavy duty bearing housings. Sec. 12042.  Fixed ration gear boxes. Sec. 12043.  Track drive gear boxes. Sec. 12044.  Swing bearing assembly. Sec. 12045.  Gears for use in machinery or within engines. Sec. 12046.  14Y stepper motors. Sec. 12047.  Air door actuators. Sec. 12048.  Servo motors. Sec. 12049.  DC brushed rhombic winding NdFeb magnet motors, with output under 18.65 W. Sec. 12050.  DC brushed rhombic winding NdFeB magnet motors. Sec. 12051.  DC brushed rhombic winding AlNiCo magnet motors, with output under 18.65 W. Sec. 12052.  DC brushless rhombic winding NdFeB