Examples: Warning Fire hazard, Warning of Explosion hazard and Warning of poisionous hazard. Sizes: 150 X 150mm, 190 X 190mm, 290 X 290mm, 440 X 440mm WW1 – General warning of danger WW2 – Warning of fire hazard WW3 – Warning of explosion hazard WW4 – Warning of corrosive hazard WW5 – Warning of poisonous substance hazard
