The following terms define Building and Machine Parts
- G -
gable end: end wall bearing a gable.
gain: notch, mortise, or groove, especially to receive
hardware.
gasket: flat sheet of material used to form gas-tight
joint between engine parts.
gibbet: jib or projecting arm of crane.
girder horizontal structural member that supports wall;
floor joist between piers or columns; beam.
girder pocket: notch in foundation for base of girder.
grate: metal grid or frame of parallel bars, used for
support, ventilation, and filtration.
grid: grate, metal openwork surface.
groove: tong, narrow, hollow cut into surface.
gusset: plywood or metal plate that joins wooden members
or reinforces joints.
gutter: trough to siphon fluid, especially rainwater
from root.
guy: reinforcing wire, chain.
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