attention
barricade
barrier
beacon
bone
bright
building
building site
caution
city
close up
closed
construction
construction industry
construction site
danger
equipment
excavator
flash
flasher
industrial
industry
lamp
light
lighting equipment
orange
outdoor
plastic
protection
red
reflector
road construction
safety
secured
security
sign
signal
single object
site
stop
street
symbol
transport
urban
warn
warning
warning sign
work
yellow
zone