nfpa diamond 704 2-2-1 acid sign, , isolate on white background label. eps10

221 704 acid alkaline allyl alcohol ammonia fire flammability fuel gas gasoline background battery blue code diamond diesel emergency ghs hazard hazmat health label material national osha paper potassium chloride acetone acetylene propane propene protection red safety sds sign sodium bromate special specifications standard substance sulfur symbol table toxic warning white yellow