The conditioning system design for INTI's block of classroom by Lim Heng Lai. 2. The steering system and an introduction to the engine of a Go-Kart prototype by Chong U Fu. 3. Liquefied petroleum gas of road tanker and pipeline by Lee Say Ming. 4.Heat pump by Yeoh Chee Lim. 5. Air conditioning design for Pearl International Hotel by Ling Pit Seong. - LIM HENG LAI (INTI College Malaysia, 1998)