Hitachi ZAXIS 135US-5B Operator's Manual page 60

12.
Sign indicates a hazard of falling off the fender or hood.
Never stand close to the edge.
13.
Sign indicates a crush hazard by rotation of upper structure
of the machine.
Keep away from swinging area of machine.
14.
Sign indicates a burn hazard from spurting hot water or oil if
radiator or hydraulic oil tank is uncapped while hot.
Allow radiator or hydraulic oil tank to cool before removing
cap.
SAFETY SIGNS
S-46
SS3092125
SS3086090
SS4420336