Electric water purification filters for household purposes; Electric water purifiers for household purposes; Air purifying units for livestock farming use; Electric air driers; Air sterilizers for household purposes; Air exchangers for cleaning and purifying air; Air filters for household use; Ionization apparatus for the treatment of air; Ozone sanitizers for air and water; Air purifying units for negative ion generators for air purification use; Air purifiers, electric; Electric air purifie...

Computer network configuration services; Computer programming services; Engineering; Services for maintenance of computer software; Services for updating computer software; Software authoring; Business technology software consultation services; Computer programming services for others in the field of software configuration management; Consulting services in the field of hosting computer software applications; Customizing computer software; Developing customized software for others; Technical ...