Providing weather information; architectural design; surveying; geological research; designing of machines, apparatus, instruments or systems composed of such machines, apparatus and instruments; graphic arts designing; computer software design, computer programming, or maintenance of computer software using block chain technology; technological advice relating to computers, automobiles and industrial machines; testing, analysis and evaluation of the goods and services of others to determine conformity with certification standards; testing, analysis and evaluation of digital content in the nature of audio, video, text and image files; testing, inspection or research of pharmaceuticals, cosmetics or foodstuffs; research on building construction or city planning; testing or research on prevention of pollution; testing or research on electricity; testing or research on civil engineering; testing, inspection or research on agriculture, livestock breeding or fisheries; testing the functionality of machines and research on machines; rental of measuring apparatus; providing temporary use of online non-downloadable computer programs using block chain technology on data networks, namely, computer software for use in database management; rental of computers; providing online non-downloadable computer software on data networks for database management; rental of laboratory apparatus and instruments; rental of technical drawing instruments