w

Building and construction materials and elements of metal; tanks of metal; shaped metal portions; jalousies of metal; flap valves of metal; check valves of metal [other than parts of machines]; louvres made of metal; pipes, tubes and hoses, and fittings therefor, including valves, of metal; air grilles of metal; metal ventilation channels; louvre vents (metal -) for buildings; fire resistant doors of metal; metal ventilation channels; pipes and tubes of metal; structures of metal; smoke outlets [vents] of metal; fittings of metal for pipes; pipe extensions of metal; fittings of metal for pipes; cowls of metal.Stop valves [parts of machines]; drives for ventilation flaps; drive mechanisms; driving devices for machines; flexible couplings [parts of machines]; dampers [parts of machines]; governors; regulators for engines; exhaust silencers; actuators for dampers; heat recovery devices [parts of machines].Junction boxes [electricity]; fire detectors; fire detection software; fire control apparatus; fire sensors; electronic apparatus for controlling the pressure and flow of air for use with ventilating systems; electric alarms for fire; electric alarms for smoke; electronic diaries; electronic regulators; electronic control sensors for motors; fire detectors; fire alarms; air current measuring apparatus; air current testing apparatus; measuring and control devices for air conditioning technology; measuring, detecting, monitoring and controlling devices; scheduling software; smoke detectors; smoke alarms; smoke detectors; variable speed control apparatus; predictive maintenance software; software to control building environmental, access and security systems; controllers and regulators.Extractor units [ventilation]; aeration apparatus; sliding plate fire dampers; electric window fans; vent covers [parts of air conditioning installations]; installations for controlling the flow of gases; hvac systems (heating, ventilation and air conditioning); dampers for ventilating installations; window air conditioning apparatus; air balancing dampers; air handlers; air control dampers; airstream generating apparatus; air recirculating apparatus; vent covers [parts of air conditioning installations]; ventilating installations; apparatus for ventilating; apparatus for ventilating; ventilation terminals; apparatus for ventilating; ventilation [air-conditioning] installations and apparatus; apparatus for ventilating; ventilation grilles being parts of extractor fans; air distribution units; air heat recovery installations; air circulation apparatus; smoke release dampers; sliding plate smoke dampers; linear air diffusers; heat regenerators; supply air diffusers.Glands for pipes; fire resistant insulated panels; flexible pipes, tubes, hoses, and fittings therefor, including valves, non- metallic; soundproofing materials; air hoses; acoustical insulation barrier panels; acoustic insulants; soundproofing materials of stone wool [not for building purposes]; soundproofing materials; soundproofing materials for buildings; sound insulating structures of metal.Fireproof seals in the nature of building materials; refractory construction materials, not of metal; latticework, not of metal; jalousies, not of metal; air ducts of non-metallic materials for buildings; ventilator flaps (non-metallic -) for buildings; louvre vents (non-metallic -) for buildings; venting ducts (non-metallic -); smoke exits [vents], not of metal; building materials with soundproofing qualities, not of metal.