I'd like to know whether it is required for optical labs to have some type of ventilation installed. There's a lab in the store I work at and there isn't any type of ventilator installed, only a...
Type: Posts; User: anglia; Keyword(s):
I'd like to know whether it is required for optical labs to have some type of ventilation installed. There's a lab in the store I work at and there isn't any type of ventilator installed, only a...