accident
alarm
asian man
bad
box
build
button
clothes
compensation
construction
control
dangerous
education
electrical
emergency
employee
engineer
equipment
factory
fall
fire
health
helmet
help
industrial
industry
injured
job
male
man
off
person
plant
power
power plant
protection
protection concept
risk
safety
shutdown
site
staff
stop
system
tool
work
workers
workman
workplace
young