In Hong Kong, dwellings are fitted with neat and tidy paintings, well decorated floor and wall tiles. Equipped with world�renowned kitchen and bathroom appliance, housing owners can move in with a bag of cloths. Builders in China, however, only provide fundamental elements such as windows,...

Constructions accidents have led to many workers in Hong Kong seriously injure or even die every year. Huge sum of money has been spent on compensation by contractors. Lack of safety knowledge is one of the causes behind these accidents. While information technology has become part of the...