Abstract
Welding is a basic technology for joining metallic materials and plastics. The high occupational exposure of welders results from the presence of various harmful factors that accompany welding processes, including the emission of a mixture of fine particulates (dust) and chemical substances (gases) into the working environment. Mechanical ventilation is the main way to reduce the concentration of air pollutants in the areas where welding works are carried. The article presents the characteristics of welding fumes, welding process parameters and methods of air distribution with ventilation devices and installations in rooms with welding workstations.
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