Humidifiers; Humidifiers for household purposes; Air cleaning units; Air conditioners; Air conditioning apparatus and installations; Air conditioning units; Air cooling apparatus; Air exchangers for cleaning and purifying air; Air humidifying apparatus; Air purification units; Air purifiers; Air purifiers for household purposes; Air purifying apparatus and machines; Air sterilisers; Air sterilising apparatus

On-site servicing of portable toilets in the nature of sewage removal