b'HEAT, FLAME & FIRE DETECTIONCables, Sensors & DetectorsAdvance warning of overheating and early stage detection of heat, ame and smoke to prevent reanalogue, digital and bre optic re and heat detection cables are available.GAS DETECTORSPortable & Fixed Single and multi-gas detectors for toxic and ammable gases in industrial and hazardous areas including hydrogen sulphide, methane, carbon monoxide and oshore hydrocarbon gases. www.heatingandprocess.com Thorne &Derrick'