Duct design for hospital by Lau Lik Chick. 2. Air duct system design for Pearl Point Hotel, Old Klang Road by Ng Luey Pong. 3. Design an air conditioning system for hospital by Chan Kok Seng. 4. Disk brake system of a Go-Kart by Lee Jong Kong. - LAU LIK CHICK (INTI College Malaysia, 1998)