6
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; Pipes and tubes of metal; Structures of metal; Smoke outlets [vents] of metal; Fittings of metal for pipes; Pipe extensions of metal; Sound insulating structures of metal; Cowls of metal
7
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]
9
Junction boxes [electricity]; Fire detectors; Fire detection software; Fire control apparatus; Fire sensors; Pressure regulators; Electric alarms for fire; Electric alarms for smoke; Electronic diaries; Electronic regulators; Electronic control sensors for motors; 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; Variable speed control apparatus; Predictive maintenance software; Software to control building environmental, access and security systems; Controllers and regulators
11
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; Ventilating installations; Apparatus for ventilating; Ventilation terminals; Ventilation [air-conditioning] installations and apparatus; 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
17
Glands for pipes; Fire resistant and fire preventive articles and materials; 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 for buildings
19
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