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G

Gathering Lines

Pipelines that bring crude oil from the fields to the storage area for processing.

Glad Hands

Air hose brake system connections between tractor and trailer.

Gladhands

Fittings for connection of air brake lines between vehicles.  Vacuum brake hose connectors are also called hose couplings.

Gross Weight

As applied to a truck, the weight of a truck together with the weight of its entire contents.