a metal beam rectangular or I-beam shape supports to hold the beam in place cross-bracing or trusses bolts, rivets, or welds to join the pieces of the girder a flat or angled surface a painted or galvanized finish
girder which is a metal beam girder which has rectangular or I-beam shape girder which has supports to hold the beam in place girder which has cross-bracing or trusses girder which has bolts, rivets, or welds to join the pieces of the girder girder which is a flat or angled surface girder which is a painted or galvanized finish