Registered computer programs for use in database management, use as a spreadsheet, word processing and for the collection, editing, organizing, modifying, book marking, transmission, storage and sharing of data and information; computer hardware; electric apparatus for measuring, dosing and indicating amounts of gasses and liquids, namely gas sensors for measuring gas concentration, electric control valves for regulating the flow of gasses and liquids and electric automatic liquid-flow control machines and instruments; apparatus for data processing, namely central processing units