Piston Rod Rod that has bearings at each end and connects the piston to the crankshaft to transfer power. A hole or cavity in the ground. A hollow or depression on a surface. An area below floor level or ground level. Slope of a roof.
Pitch is the ratio of vertical rise to horizontal run.
To toss at a mark. The key or high or low of an instrument or voice. To fall or plunge headlong. To incline downward. The number of threads or teeth per inch.