Systemization of information into computer databases; systematization of data in computer databases; updating and maintenance of data in computer databases; collection and systematization of information into computer databases; compilation of information into computer databases

Repair of cameras; repair or maintenance of security systems such as surveillance cameras or infrared sensors; repair of video cameras; repair or maintenance of telecommunication machines and apparatus; repair or maintenance of measuring and testing machines and instruments

Arranging, conducting and organization of seminars; rental of cameras; rental of video cameras

Rental of measuring or testing machines and instruments; computer software design, computer programming, or maintenance of computer software; technological advice relating to computers, automobiles and industrial machines; providing computer programs on data networks; designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments

Rental of surveillance cameras; rental of gas alarms; rental of fire alarms; rental of burglar alarm