what are some examples of chemical hazards?
['Explosive (exploding bomb)', 'Flammable (flame)', 'Oxidizing (flame above a circle)', 'Corrosive (corrosion of table and hand)', 'Acute toxicity (skull and crossbones)', 'Hazardous to environment (dead tree and fish)', 'Health hazard/hazardous to the ozone layer (exclamation mark)']