Installation and maintenance of ionization apparatus for the treatment of air, namely, air purifying apparatus for industrial and commercial use, of appliances and machines for air purification, namely, air purification units for industrial and commercial use, of electric air heaters, of devices as apparatus for air cooling, of air sterilizers, of filters for air conditioning (AC), of air conditioning installations, of air filtering installations, and of hot air space heating apparatus; Repai...

ionization apparatus for the treatment of air, namely, air purifying apparatus; [ water purification installations; ] apparatus for deodorizing air, namely, air purifiers and electric room deodorizing units; appliances and machines for air purification, namely, air purification units; [ electric air heaters; devices as apparatus for air cooling; ] air sterilizers; filters for air conditioning (AC); air conditioning installations; air filtering installations [ ; hot air bath appliances; h...

Bottled water