Quizzes for review
Before climbing, remember the 4-to-1 rule to position the ladder with its base one foot away from the wall for every four feet of height.
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Before climbing, remember the 4-to-1 rule to position the ladder with its base one foot away from the wall for every four feet of height.
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Related words
4-to-1 rule
Proper noun
Japanese Meaning
梯子を安全に設置するための経験則であり、梯子の高さが4フィートごとに、底部を壁から1フィート離して配置することを推奨するルールです。
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