Job chueammak 3. prevention must begin at us like a mask. fum. If we turn inhale smoke removal by hana day pass through our respiratory system may cause nuisance or cause illness. .
Welding lot 3. Prevention must start with ourselves as fume hood. If we open the next day by the fumes through our respiratory system. May be a nuisance Or illness
Welding 3 very protection would have to start at ourselves, such as mask fume. If we open face both day inhaled fumes through the respiratory system. May be annoying or illness .