41. D we have not yet adopted measures to promote water - cooled air conditioning systems in commercial premises 42. Approval is rarely given for evaporative types of water - cooled systems and only if they are absolutely necessary 43. The analysis and comparison of technological economy between water - cooled liquid chillers and air - cooled liquid chillers 44. To compile data for formulating and updating plans to promote water - cooled air conditioning systems in hong kong 45. Government could relax policy on the use of water - cooled chillers for buildings to achieve energy efficiency 46. The water - cooling system effectively lowers temperature increase resulted from grinding and enhances efficiency 47. A water - cooling system consists of water jacket , water pump , radiator , thermostat , cooling fan , rubber hose , etc 48. Resistance welding water - cooled transformers of the press - package and portable types - specification for portable transformers 49. We promote water - cooled air conditioning systems , which are more energy efficient than their air - cooled counterparts 50. District study for implementing water - cooled air conditioning systems in south east kowloon development late 2000 early 2001 ; and
