機器
big
boiler
business
check
control
danger
engineer
engineering
equipment
examining
factory
heat
helmet
industrial
industry
job
looking
machinery
maintenance
male
man
manufacture
manufacturing
metal
occupation
people
person
pipeline
piping
plant
power
production
profession
professional
quality
refinery
repair
safety
service
south asia
staff
stainless
steam
technician
technology
work
worker
workers
workplace
定額
South asia male factory worker or Man engineer or expert staff wear safety vest and helmet of maintenance and checking steam boilerの素材 [FY310193926507]
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