Clamp the wall to a table. Clamp the plank next to it. Lean the ladder against the wall. Place the metre stick next to the plank and the ladder for scale. Find the angle at which the ladder starts to ...
PITTSBURGH (August 11, 2020) … When using a ladder, whether you are a professional roofer or an everyday homeowner, safety should always be the first step. Losing one’s footing is a common accident ...
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