16+ Hazardous Symbols And Their Meanings Gif. Hazard symbols have come a long way from the rudimentary drawings used to designate poison in the early 1800s. Hazard symbols or warning symbols are recognisable symbols designed to warn about hazardous or dangerous materials, locations, or objects, including electric currents, poisons, and radioactivity.
In laboratory a person may come across many hazardous chemicals.
Hopefully, if you work with hazardous chemicals, you'll be familiar with those old orange and black hazard symbols. Each pictogram covers a specific type of hazard and is designed to be immediately recognizable to anyone handling hazardous material. Examples of ghs hazard symbols with their definitions. Ensure that every worker knows the symbols and their meaning.