Compound

1) a mechanism used to transmit power from the engines to the pump, the drawworks, and other machinery on a drilling rig. It is composed of clutches, chains and sprockets, belts and pulleys, and a number of shafts, both driven and driving.

2) a substance formed by the chemical union of two or more elements in definite proportions, the smallest particle of a chemical compound is a molecule.

v.

To connect two or more power-producing devices, such as engines, to run driven equipment, such as the drawworks.

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