Relier Pairs WHMIS Symbols MatchingVersion en ligne Match the symbols to their name par Chelsea Ashworth 1 Corrosive Substance 2 Compressed Gas 3 Materials Causing Other Toxic Effects 4 Materials Considered Dangerously Reactive 5 Oxidizing Materials 6 Flammable Materials 7 Infectious or Poisonous Materials 8 Biohazardous Infectious Materials