1. Would B be able to lift more or less than 80 lbs on its end? ? Ib 80 lb A B 9 ft 12 ft
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1. Would B be able to lift more or less than 80 lbs on its end? ? Ib 80 lb A B 9 ft 12 ft
1. Would B be able to lift more or less than 80 lbs on its end? ? Ib 80 lb A B 9 ft 12 ft
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