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