Experimental procedure. cite the reason for each of the five cautions in the experiment

The answer is if strong odor do not inhale, always cover your nose or wear a face mask, then avoid breathing vapors because this might harm your lungs and even damage something in your health and avoid skin contact this might burn your skin or even hurt by the residue.  Avoid inhalation and skin contact.

b: to eliminate competition from other farmers

what are the answers