ShootingArts said:

I had to let go of about a half dozen sheets

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"HEADACHE !!" was the call out for the ground man. (Er uh Person ). DON'T LOOK UP., find cover then find out what it was.
4X8 sheets of Plywood roof sheeting were a challenge in any wind.
"Tied off" ment wearing a harness and lanyard or retractable. I recall one job doing roof sheeting where we wore a lanyard and just let the hook drag behind. It looked legit for the safety inspector on the ground. We called it an air tie off. Of course there came a time when I was the safety man building overhead mortar protection in Iraq. The workers spoke a little English and "Tie Off!" Was so often my shouted message from the ground, that it became my nickname with the crew.

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