機器
all right
construction
coworker
elements
engineer
engineering
equipment
facility
factory
hand
hard hat
hardhat
helmet
indoors
industrial
industry
instrument
job
machinery
maintenance
male
man
manager
manufacture
manufacturing
mechanical
metalworking
occupation
people
professional
safety
service
smile
team
teamwork
teamwork together
technical
technician
thumb up
two
two people
uniform
work
worker
workman
workplace
workplace young
workshop
young