gas bottles label

battery hazard label

60 30 set square triangle

suffocation

exclamation triangle green

outward triangles

triangle red

overhead crane label

Golden triangle

flammable material label

glass hazard

high voltage

Kanizsa triangle

exclamation triangle red

Kanizsa triangle label

laser radiation

explosion risk

slippery floor

death

triangle

cutter

cutting

high temperatures label

triangle of birds