機器
biohazard
chemical
chemical plant
chemistry
control
control panel
engineer
engineering
equipment
factory
female
gear
hazmat
industry
inspection
laboratory
machinery
male
man
manufacturing
mask
medicine
mock up
operating
people
pharmaceutical
plant
production
protection
protective suit
protective workwear
research
respirator
safety
science
scientist
screen
standing
storage tank
teamwork
two
using
white
woman
worker
working
workshop
workwear