A COMPACT EXHAUST VENTILATION TRAINING AID.
D000397:Air Pollution; D004864:Equipment and Supplies; D006801:Humans; D009787:Occupational Medicine; D012119:Respiration; D001335:Vehicle Emissions; D014691:Ventilation
D001335:Vehicle Emissions
AIR POLLUTION; EQUIPMENT AND SUPPLIES; INDUSTRIAL MEDICINE; VENTILATION