The main function of the fume hood in the laboratory is to prevent the diffusion of flammable and explosive substances in the laboratory, and to prevent the odor from being generated in the operation of the fume hood in the laboratory.

The main function of the fume hood in the laboratory is to prevent the diffusion of flammable and explosive substances in the laboratory, and to prevent the odor from being generated in the operation of the fume hood in the laboratory.