Sec. 5145. Hydraulic hammer assembly. Sec. 5146. Segmented bladder-operated molds, with more than 25-inch rim diameter. Sec. 5147. Used valves for directional control. Sec. 5148. Keg spears with pressure release valves. Sec. 5149. Multiport distribution controllers. Sec. 5150. Subsea modular trees. Sec. 5151. Flow selector unit-multi-port 6-branch engine crankshafts. Sec. 5152. Engine crankshafts. Sec. 5153. Turbocharger journal bearings. Sec. 5154. Mid-range bearing housings. Sec. 5155. Heavy duty bearing housings. Sec. 5156. Fixed ration gear boxes. Sec. 5157. Track drive gear boxes. Sec. 5158. Swing bearing assembly. Sec. 5159. Gears for use in machinery or within engines. Sec. 5160. 14Y stepper motors. Sec. 5161. Air door actuators. Sec. 5162. Servo motors. Sec. 5163. DC brushed rhombic winding NdFeb magnet motors, with output under 18.65 W. Sec. 5164. DC brushed rhombic winding NdFeB magnet motors. Sec. 5165. DC brushed rhombic winding AlNiCo magnet motors, with output under 18.65 W. Sec. 5166. DC brushless rhombic winding NdFeB magnet motors, with output under 18.65 W. Sec. 5167. DC brushed rhombic winding NdFeB magnet motors, with output over 18.65 but not over 37.5 W. Sec. 5168. DC brushed rhombic winding AlNiCo magnet motors, with output over 18.65 W but not over 37.5 W. Sec. 5169. DC brushless slotless rhombic winding NdFeB magnet motors output over 18.65 W but not over 37.5 W. Sec. 5170. DC brushed rhombic winding NdFeB magnet motors output over 37.5 W but not over 74.6 W. Sec. 5171. DC brushless slotless rhombic winding NdFeB magnet motors output over 37.5 W but not over 74.6 W. Sec. 5172. Motors. Sec. 5173. DC motors of an output exceeding 74.6 W but not exceeding 735 W. Sec. 5174. DC motors, of an output exceeding 74.6 W but not exceeding 735 W. Sec. 5175. DC brushed rhombic winding NdFeB magnet motors output over 74.6 W but not over 735 W. Sec. 5176. DC brushless slotless rhombic winding NdFeB magnet motors output over 74.6 W but not over 735 W. Sec. 5177. DC motors of an output exceeding 750 W