??? Occupational hazard factors can be divided into many kinds. These factors include: various harmful chemicals (such as organic solvent poisons, lead, manganese and other metal poisons, dust, etc.), physical (such as noise, high frequency, microwave, ultraviolet, x, etc.) in occupational activities radial Such as anthrax Forest encephalitis virus And other occupational harmful factors (such as unsuitable production layout, labor system, etc.) in the process of work.
key word: |
