機器
adjustable
beware
boots
care
caution
circle
clothing
construction
control
cut
danger
dangerous
equipment
food
gloves
guard
guards
harmful
hazard
hazardous
health
icon
illustration
industrial
industry
machinery
mandatory
must
notice
operating
position
protect
protection
regulations
regulatory
risk
rotating
rules
safety
saw
sign
site
starting
symbol
use
warning
white
work