Girder
A girder () is a beam used in construction. It is the main horizontal support of a structure which supports smaller beams.
A girder () is a beam used in construction. It is the main horizontal support of a structure which supports smaller beams.
A girder () is a beam used in construction. It is the main horizontal support of a structure which supports smaller beams.
Source: Wikipedia "Girder" · CC BY-SA 4.0
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