Building products and construction The factory must provide a non-smoking area. To protect the health of non-smokers (according to the health protection of non-smokers, b.e. 2535)
Building products and structures. Factories must provide a non-smoking area to protect the health of non-smokers (according to the Act. Smokers Health Protection Act 2535).
Building products and construction. The factory must provide are smoke-free.To protect the health of non-smokers (according to health protection act of non-smokers. 2535).