Recovery of computer data; consultancy in the field of computer hardware; computer programming; duplication of computer programs; computer rental; computer software consultancy; computer software design; install of computer software; maintenance of computer software; computer system design; creating and maintaining web sites for others; hosting web sites; rental of computer software; rental of web servers; rental of storage area of memory devices (hard -discs, optical discs and magneto-optical discs) on computer networks; rental of storage area of servers on website for storing data of computer program; rental of storage area of servers on computer network for storing data of computer program; rental of storage area for data storage in servers connected with communication networks