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wind turbine and its fittings; wind turbine electricity generators; hydro electricity generators; dust exhausting installations for cleaning purposes; garbage disposals

germicidal lamps for purifying air; air purifying apparatus and machines; air conditioning apparatus; air filtering installations; fans for air-conditioning; gas scrubbing apparatus; air sterilizers; water purifying apparatus and machines; air filters for air conditioning units; water softening apparatus; electric radiators

destruction of waste and trash; decontamination of hazardous materials; air purification; air deodorising; air freshening; rental of air conditioning apparatus; rental of space heating apparatus; water treating