安全第 1352 / 1605 题
Cutting the excavation walls at an angle inclined away from the excavation to prevent cave-in is called:
a.Shoring
b.Sloping
c.Trench boxing
d.Shielding
解析
Sloping inclines the excavation walls away from the excavation at a safe angle based on soil type. Shoring supports walls with structural members; shielding protects with a box.
法律依据: 29 CFR 1926.652免费刷完整 1605 道题库 — 无需注册。
同考点相关题目
- California law adds a special requirement for trenches or excavations 5 feet or more deep into which a person must descend: a detailed plan for worker protection must be prepared when the trench is:
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