Computer networks for the communication of data; Computer programs for providing a graphical presentation of data; Computer networks for the processing of data; Data processing programs; Data processing software; Computer programs for processing data; Computer programs for data processing; Apparatus for text processing; Computer programs for text processing; Electronic apparatus for text processing; Instruction programmes for the input of text; Instruction programmes for the output of text; Data feeders for use with artificial intelligence; Data feeders linked with artificial intelligence

Business data analysis; Business data analysis services; Collection of data; Compilation of business data; Data collection (for others); Data compilation for others; Data base management; Data management; Computerised data processing; Data processing; Provision of business data; Updating and maintenance of data in computer databases; Updating data in databases; Maintaining data in databases

Photometers; air quality measurement apparatus, namely, particle counters; accessories and replacement parts for photometers and particle counters, namely, autozero modules, inlet caps, batteries, pumps, filters, calibration devices, mounts, solar panels for production of electricity, power supplies, and cascade impactors; downloadable computer application software for mobile phones, namely, software for viewing and downloading data from aerosol monitoring instruments.

Electrical cleaning apparatus for household use, electrical vacuum cleaners, electrical vacuum-power dusters, electrical apparatus for removing dust from dusters, vacuum canisters for receiving dust, electrical dust removing apparatus; and filters, cleaning tools and parts and fittings for all of the aforesaid goods

Articles for cleaning purposes; dusting apparatus (non- electrical); household dusters; feather dusters, lambswool dusters, furniture dusters, window dusters; dusting cloths; upholstery cleaners and crevice cleaning tools; brushes and sponges; dirt and dust receptacles; dust trays not of precious metal; dust removing apparatus included in class 21; vacuum cleaner attachments included in class 21