#construction #cranes #godblessamerica #bluecollar #crawlercrane #family #towercranes #safety #safetyfirst
Негізгі бет Ойын-сауық How to give signals when the operator can’t see you!!
#construction #cranes #godblessamerica #bluecollar #crawlercrane #family #towercranes #safety #safetyfirst
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