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Never cross under load; failure happens without notice and fast! |
Understanding the physics and weight of item is crucial |
Not Knowing the weight of a lift can be dangerous
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why outriggers of crane must be set before crane operates |
making sure you have the right equipment for the job the first time makes a difference |
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why cranes stay away from power lines. The cable hit the line. |
This is why there are minimum safety distances from powerlines. the boom tip is not touching the power line |