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单选题
易燃物品与工作区域保持至少50英尺的距离。
A
A maximum distance of 50 feet is required between consumable materials and the work area.
B
Keep flammable materials at a minimum distance of 50 feet from the work area.
C
Explosive materials must be kept at least 50 feet away from the work area.
答案解析
正确答案：B
相关知识点：
易燃物距工作区50英尺
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