accident
area
background
beware
cable
chain
construction
crane
dangerous
drop
emergency
equipment
factory
fall
forklift
girder
hazard
head
height
hoist
hook
icon
industrial
industry
injury
label
lift
load
moving
obstacle
over
overhead
protect
protection
pulley
rope
safety
scaffolding
security
sign
sling
sticker
symbol
unloading
unsafe
warning
watch
weight
wire
zone