機器
bogie
business
checking
construction
control
employment
engineering
equipment
factory
foreman
gear
hardhat
helmet
industrial
inspector
job
labor
maintenance
management
mechanical
occupation
person
perspective
project
railway
repair
safety
service
sitting
station
steel
success
technician
technology
track
train
transport
truck
uniform
vehicle
vest
walkietalkie
worker
定額
Inspector Engineering wearing helmet and vest worker unifrom checking railway construction work on rail track.の素材 [FY310171585658]
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