42 Design and development of databases, design of computer databases, providing temporary use of non-downloadable software for transmitting, sharing, receiving, downloading, posting and transferring content, text, visual works, sound works, audiovisual works, literary works, data, files, documents and electronic works; providing temporary use of online non-downloadable cloud computing software for electronic data storage; computer services, namely, cloud-based hosting provider services; integration of private and public cloud computing environments; consultation services in the field of cloud computing; providing virtual computer systems and virtual computer environments through cloud computing; providing a software platform in the field of cloud computing applications and services; computer-aided engineering services in the fields of product prototyping and manufacturing engineering processes; design, programming and development of data calculation software; design, development and maintenance of software; provision of specialized engineers (physicists, computer scientists), namely technical expertise services; installation of computer software; data calculation services (software programming); computer programming; development of computer programs stored on data carriers (software) and designed for use in construction and computer-aided manufacturing; software design consultation services; software design; providing regular software updates; software customization; software upgrades for third parties; technical support services, namely, troubleshooting in the nature of diagnosing computer hardware and software problems.