flashing

orange

safety

electricity

energy

equipment

industry

steel

transportation

utility

light

power

control

nobody

security

traffic

truck

warning

repair

line

modern

technology

car

danger

petrol

safe

supply

system

arm

articulating

boom

branch

bucket

cable

caution

cherry

company

crew

damage

dangerous

disaster

electric

fix

hazard

internet

job

labor

pole

dark