機器
audit
building
business
communication
concept
construction
contracting
contractor
counsel
electrician
electronic
engineer
engineering
engineers
equipment
expert
facility
factory
field
foreman
general
hardhat
helmet
industrial
industry
infrastructure
look
machinery
maintenance
man
management
manager
occupation
oil
people
person
planing
protection
safety
smile
supervisor
survey
system
table
technicians
testing
warehouse
worker
working
定額
40's male industrial engineer wearing a white helmet while standing in a heavy industrial factory behind. The Maintenance looking of working at industrial machinery and check security system setup.の素材 [FY310162125453]
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