Hazardous material practice of the fire brigade wearing protective clothing

barrel barrels being beings brigade can cans clothes clothing cover danger dangerous dangerously dangers department drill drills exercise exercises fire firefighter firefighters fireman firemen good goods hazardous hazardous hazmat human humans indoor indoors inside interior job jobs labor laboring labors labour labouring labours male man material materials men occupation occupations of one operation operations orange people person persons photo practice profession professions protect protection protective separate separately service shelter single singly the train training trains wear wearing work working works