42 Providing temporary use of non-downloadable computer software for use in the publication of advertising texts; research in scientific and technological field of heterogeneous data software exchange, made by engineers; design and development of computer software; research and development of new products for others; conducting studies of technical projects in the field of defense and the civil industry; design elaboration, installation, maintenance, and update of computer software; rental of computer software for data evaluation including checking data, its format and source to ensure accuracy and completeness in an engineering organization; computer programming; consulting in the field of computers, namely for exploitation of industrial process, conversion of data and computer programs other than physical conversion; conversion of documents from physical to electronic media