Class 006: Ducts of metal for ventilating and air conditioning installations; plates of metal for air-to-air transfer of heat; metal casings, frames, structures, and containers and portable buildings, of or principally of metal, for ventilation apparatus, air conditioning apparatus, cooling apparatus, heat regulating apparatus, and heat exchangers; metal casings and containers for temperature monitoring equipment and control panels; metal nozzles and fixtures for spraying water, for commercial and industrial use; metal pipes for use in ventilating and air conditioning installations; parts and fittings included in this class for all of the aforesaid goods; Class 007: housings, being parts of machines, for air conditioning, cooling and ventilation installations, appliances, apparatus, enclosures, components and machines; machines, namely heat transfer machinery; parts and fittings included in this class for all of the aforesaid goods; Class 009: non-medical thermometers; hygrometers; thermostats; air analysis apparatus; electric control panels for ventilating and air conditioning installations; temperature monitoring apparatus and indicators not for medical purposes; parts and fittings included in this class for all of the aforesaid goods; Class 011: Air conditioning, cooling and ventilation installations, appliances, apparatus, enclosures, components and machines; electric fans used in air cooling, circulation and conditioning; heat exchange apparatus, namely, heat exchangers not being parts of machines; humidifiers; water pipe temperature regulators; evaporators for air conditioners; heat and humidity regulating apparatus, namely, electric heaters for commercial use and industrial humidifiers; parts and fittings included in this class for all of the aforesaid goods; Class 019: Transportable buildings, not of metal, for housing air conditioning, cooling and ventilation installations, appliances, apparatus, enclosures, components and machines; parts and fittings included in this class for all of the aforesaid goods; Class 037: construction installation, maintenance and repair of ventilation and air conditioning appliances, units, apparatus, machines and components; construction installation, maintenance and repair of air analysis apparatus; construction installation, maintenance and repair of control panels for ventilating and air conditioning installations; construction installation, maintenance and repair of temperature monitoring apparatus; information, advisory and consultancy services included in this class relating to any of the aforementioned services
