Breath of fresh air.
Although smoking was banned in public laces last July, there are exemptions and ventilation is the key to controlling environmental tobacco smoke.
Geens
Andrew
A
Faculty of Advanced Technology, University of Glamorgan.
D016902:Air Pollution, Indoor; D006801:Humans; D012907:Smoking / Q000331:legislation & jurisprudence*; D006113:United Kingdom; D014691:Ventilation