Construction Safety - Crane-hand signals
1:27
Added: 4 years ago
From: BusinessRecovery
Views: 4,797
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  • great! im learning about crane. thanks for the wonderfull job

    edueson 3 years ago

  • wtf is this?

    JMIRULEZ 3 years ago

  • Its for people who do real work instead of making stupid videos with video game characters.

    svillethomas 3 years ago

  • k...

    JMIRULEZ 3 years ago

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