| An adjustment to bring parts or components into a line or proper coordination. | |
| The flow of current from a battery; to remove the refrigerant from an air-conditioning system. | |
| The lower half of the bearing the saddle. It is removable, as in main cap or rod cap. | |
| The unburned fuel products of combustion that are forced pass the piston rings and into the crankshaft during the combustion stroke. |