Fire retardant chemicals used to combat forest and vegetation fires

Gas scrubbing apparatus; Air conditioners; Air cooling apparatus; Air purifying apparatus and machines; Ionization apparatus for the treatment of air; Air sterilisers; Air conditioning installations; Air filtering installations; Electric air deodorizers; Ventilation hoods

Computer software for application and database integration; Computer operating programs, recorded; Actinometers; Gas testing instruments; Barometers; Meteorological instruments; Hygrometers; Air analysis apparatus; Time switches, automatic; Anemometers