RESOURCES AVAILABLE FROM SOUTH WEST ASSESSMENT AND TRAINING Please select the books and resources in which you are interested in purchasing Viper Domestic Natural Gas Handbook (including appliances) £39 OFTEC Technical Book 1 - Safe Working Practices £45 OFTEC Technical Book 2 - Commissioning and Servicing Oil Fired Systems £45 OFTEC Technical Book 3 - Oil Fired Heating System Design £45 OFTEC Technical Book 4 - Domestic Heating Systems £45 OFTEC Technical Book 5 - Commissioning and Servicing Oil Fired Systems (Vapurising Appliances) £45 Viper Commerical Natural Gas Handbook £39 Name: Email Address: Address: Telephone Number: Postcode: