機器
architect
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concept
concrete
construction
crane
engineer
engineering
equipment
factory
foreman
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future
helmet
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job
land
man
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manual
material
men
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slab
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teamwork
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tool
welding
welding steel
work
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定額
Construction team working at height site. Construction workers fabricating steel reinforcement bar at the construction site.welding steel.の素材 [FY310141037042]
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