機器
accident
area
attention
background
beware
black
cargo
caution
construction
danger
driver
equipment
factory
fork
forklift
hazard
heavy
icon
illustration
industrial
industry
isolated
label
lift
lifting
notice
operator
protection
risk
road
safety
security
service
sign
sticker
storage
symbol
traffic
transport
transportation
truck
vehicle
warehouse
warning
watch
work
worker
yellow