Evaluations, assessments and research in the fields of science and technology provided by engineers; design and development of computer hardware and software; design, development, installation, maintenance, updating and rental of computer programs and software; design of computer systems; computer consultancy services; data conversion of computer programs and data conversion of data and documents from physical to electronic media; creation and maintenance of web sites for others; duplication of computer programs; hosting of web sites; installation of computer software; computer rental; maintenance of computer software; computer programming; recovery of computer data; scientific and technological services and research and design relating thereto, namely, preparation of expert reports of engineers, research and development of new products for third parties, mechanical research, technical research, and research in computer science