機器
caucasian
construction
contractor
control
electric
employee
engineer
equipment
facility
factory
foreman
industrial
industry
infrastructure
inspection
inspector
job
leadership
maintenance
male
man
management
manager
manufacturing
mechanic
occupation
panel
people
professional
railroad
railway
safety
service
staff
station
subway
team
teamwork
technician
technology
train
transport
transportation
uniform
vehicle
woman
worker
workshop
定額
Professional technician worker stand in front of electrical or metro train and use walkie talkie to contact his team in train factory workplace.の素材 [FY310216752882]
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