Pulleys for Rope Rescue

  Рет қаралды 3,590

PerryFire

PerryFire

Жыл бұрын

Here is a short overview of the types and sizes of rescue pulleys, their uses, and how to determine their ratings.

Пікірлер: 2
@mr.wilson77
@mr.wilson77 11 ай бұрын
good overview of practical knowledge; I did not know about the rope diameter to pulley size rule; good teacher, thank you
@perryfire3006
@perryfire3006 11 ай бұрын
I try, thank you.
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