This research is based on the domestic and foreign research data on labor health hazards in the automobile maintenance industry, and comprehensively evaluates the chemical hazard factors of the automobile maintenance industry. In order to understand the working environment and labor exposure in the automobile maintenance industry. The chemical hazards database established by this research, including heavy metals, dust, organic solvents and polycyclic aromatic hydrocarbon compounds, is recommended as a reference for the recognition and identification of occupational diseases in the automobile maintenance industry.

Air suction device installed above the automobile exhaust emission source