b'LIGHTING Portable, Temporary & Fixed Light FittingsHazardous area lighting and luminaires including linear, wellglass, oodlight and bulkhead lights certied by ATEX & IECEx for Zone 0, Zone 1/21 & Zone 2/22 lighting in potentially explosive gas and dust atmospheres.Site survey and design service available to enable the upgrade from uorescent to high performance, long-life LED technology.ENCLOSURES & JUNCTION BOXESLV, MV, HV up to 45kVEnclosures for instrumentation, power or control applicationsstainless steel, mild steel, glass reinforced polyester, aluminium and polycarbonate. Certied according to ATEX and IECEx.www.heatingandprocess.com Thorne &Derrick'