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How to Safely Use Ladders on a Roof | Home Guides | SF Gate
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日期:2024-10-31
10 Lay the previously cut two-by-four board on the edge of the roof. Secure one end of a bungee cord to the gutter bracket or other fixed object. Wind the cord around the leg of the ladder. Fold it across the ladder and back around, making a complete circ...看更多