9 Gas detectors; air detectors; flame detectors; personal protection equipment; namely, breathing equipment and breathing apparatus for personnel operating in hazardous environments, namely, portable and non-portable respirators for delivering uninterrupted air supply to the wearer; personal compressed air breathing apparatus for personnel operating in hazardous environments, namely, portable and non-portable respirators for delivering uninterrupted air supply to the wearer; apparatus for artificial respiration; respiration monitors; respirators; airline breathing apparatus in the nature of mobile breathing units for personnel operating in hazardous environments to enable users to operate remotely from the source of air supply; air flow tubes; smoke machines; strobe lights; ventilation systems; infrared cameras; directional lights; gallery lights; lights; SCBA fill stations; breathing air cascade; breathing air compressor; steel maze for training purposes; shelves and cabinets for storage; breathing apparatus backpack assemblies comprising harnesses, buckles and adjusting straps and connected source of air supply and pressure reduction valve; protection masks; communication and respiratory masks and filters for non-medical purposes; breathing air compressors for non-medical purposes; breathing air supply trolleys for non-medical purposes; air supply hoses being wholly or principally non-metal for compressed air breathing apparatus; pressure reducers for reducing the pressure of air to a level where it may be safely breathed, for non-medical purposes; all for non-medical purposes and for protection against toxic gases, fumes, chemicals and hazardous particulates and all being for use by personnel operating in hazardous environments in the fields of firefighting, mining, water and waste treatment, chemical and petrochemical production and in power plants and in emergency escape situations and carrying out decontamination procedures; purifying respirators; thermal imaging cameras; cameras; fireproof garments; protection masks; chemical proof garments; radio transmitters; microphones; loud speakers; radios; tactical transmitter; video signals; flame detection; testing, maintenance, simulation, rental, training and repair service and equipment of and for aforementioned goods; software for collecting data on gasses; measuring, checking and life-saving instruments, namely, gas sensors and gas detectors, oxygen regulators; respiratory masks for non-medical purpose, breathing filters for respiratory masks; breathing apparatus for firefighters and rescue operations in polluted, toxic and hazardous environments; breathing apparatus for divers and scuba diving units, namely, rebreathers and compressed air units; Computer software sold as a component part of cameras and video cameras for operation of cameras, including video cameras; software for gas detection, calibration and testing