Common HazardsCâu 40 / 100
What is the main reason to keep workers out of the 'swing radius' of a crane or excavator?
a.To prevent struck-by and caught-in/between injuries from the rotating counterweight
b.To save fuel
c.To reduce noise
d.To improve the view
Giải thích
The rotating superstructure and counterweight of a crane or excavator can strike or crush a worker caught between it and a fixed object. The swing radius should be barricaded to keep workers out. This is a well-documented cause of construction fatalities.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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