After serving as the Head of School of Plumbing and Sheetmetal in NSW, Bob Puffett went on the be Director of Staff, Principal and Assistant Director General, TAFE. Bob was made a Member of the Order of Australia (AM) for his contribution to Technical Education as Director of the Sydney Institute of Technology. Following his 'retirement' Bob became National Chairman of Worldskills Australia. He now serves on local community organisations and is a Board member of a NSW plumbing training organisation. Len Hossack is a former Head of School of Plumbing at the South Australian Department of Technical and Further Education and has been actively involved in his local community and with the plumbing industry in South Australia for many years.

• Heat Characteristics and Measurements.Water Heating and Cooling Systems. Steam Heating Systems. Steam Heating Systems. Water Heating and Cooling Equipment and Piping. Fuel Burning Apparatus and Fuel Oil Storage Installation. Properties of Moist Air. Principles of Ventilation. Air Handling Methods. Air Handling Equipment and Ducting. Measuring Instruments.Automatic Controls. Air Conditioning Principles and Methods.Air Conditioning Equipment.

After serving as the Head of School of Plumbing and Sheetmetal in NSW, Bob Puffett went on the be Director of Staff, Principal and Assistant Director General, TAFE. Bob was made a Member of the Order of Australia (AM) for his contribution to Technical Education as Director of the Sydney Institute of Technology. Following his 'retirement' Bob became National Chairman of Worldskills Australia. He now serves on local community organisations and is a Board member of a NSW plumbing training organisation. Len Hossack is a former Head of School of Plumbing at the South Australian Department of Technical and Further Education and has been actively involved in his local community and with the plumbing industry in South Australia for many years.

• Heat Characteristics and Measurements.Water Heating and Cooling Systems. Steam Heating Systems. Steam Heating Systems. Water Heating and Cooling Equipment and Piping. Fuel Burning Apparatus and Fuel Oil Storage Installation. Properties of Moist Air. Principles of Ventilation. Air Handling Methods. Air Handling Equipment and Ducting. Measuring Instruments.Automatic Controls. Air Conditioning Principles and Methods.Air Conditioning Equipment.