機器
alert
area
attention
background
beware
cargo
caution
cautious
construction
danger
equipment
factory
floor
fork
forklift
hazard
icon
illustration
industrial
industry
information
injury
isolated
label
lift
machinery
notice
operator
package
protection
risk
road
safety
sign
storage
symbol
traffic
transport
transportation
truck
vehicle
warehouse
warning
way
work
worker
yellow
zone