機器
checking
checklist
clipboard
control
coworker
development
discussion
display
employee
engineer
engineering
facility
factory
hard hat
hardhat
heavy
helmet
horizontal
inspect
job
laptop
large
logistic
machinery
maintenance
manager
manufacturing
mechanical
notebook
occupation
operating
owner
plan
pointing
production
professional
protection
safety
scale
screen
service
stand
standing
team
technician
warehouse
worker
workshop