Latest from DR KONG CHING-BOON
Indoor air pollution can be up to 10 times worse than outdoor air pollution. This is because contained areas enable potential pollutants to build up more than open spaces do.
10 Jun 2016 - 3:03PM
Indoor air pollution can be up to 10 times worse than outdoor air pollution. This is because contained areas enable potential pollutants to build up more than open spaces do.
10 Jun 2016 - 3:05PM