Related by context. Frequent words. (Click for all words.) 59 explosive atmospheres 59 flammable gases 57 portable fire extinguishers 55 flammable vapors 55 acetylene cylinders 55 ATEX 53 corrosive environments 51 NEMA 4X 50 combustible gases 49 confined spaces 49 Cooper Crouse Hinds 48 superheated steam 48 hazardous liquids 48 flameproof 48 washdown 47 phosphine 47 noncombustible 47 UL CSA 47 UL Listed 46 hazardous material 46 ejectors 46 SCSRs 46 unvented 46 Asbestos fibers 45 harsh environments 45 Fire extinguishers 45 roller shutter 45 ignitable 45 toxic vapors 45 #.#kV [001] 45 audible alarms 45 Acetylene 45 gases 45 flammable substances 44 airlocks 44 hydraulics components 44 UL# [004] 44 housings 44 dielectric strength 44 compressed nitrogen 44 EMI RFI 44 paints adhesives 44 flammables 44 radiological contamination 44 poisonous carbon monoxide 43 ventilation ducts 43 IEC #-#-# [002] 43 IP# rated 43 rectifiers 43 Thermal imaging 43 acetylene tanks 43 toxic gases 43 shotcrete 43 diaphragm pumps 43 +# ° C. [001] 43 lockout tagout 43 bulk solids 43 EN# [003] 43 EMI shielding 43 gasoline vapors 43 corrosives 42 shutoff valves 42 antistatic 42 radomes 42 Underwriters Laboratory 42 vehicles ROVs 42 Ammonium Nitrate 42 flammable 42 sensors actuators 42 bathrooms kitchens 42 hazardous materials 42 plasticisers 42 uninterruptable power 42 electromagnetic compatibility 42 Mil Spec 42 crawlspaces 42 biocidal 42 ultrasonic cleaning 42 SF6 42 frequency converters 42 vehicles UAVs 42 ruggedised 42 oxidizers 41 exothermic 41 IP# rating 41 hydraulic hoses 41 compressed air 41 highly inflammable 41 cleanrooms 41 hose reel jet 41 attic vents 41 sorbents 41 Sulfuric acid 41 gaseous oxygen 41 X ray fluorescence 41 pipework 41 cannisters 41 Propane tanks 41 RF shielding 41 hazardous 41 thermocouples