... 3.1护栏guardrail 3.2护围toeboards 3.3支腿outriggers ...
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Toeboards should be installed whenever tools, machine parts, materials or supplies are to be used or stored on a walkway or platform.
在排挤走道或平台上,都应当装挡脚板,以防所用的工具、配件或材料滑下往。
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