42 Technical development of structural elements for the construction industry; construction work planning; conducting of technical project studies for construction projects; preparation of reports relating to technical project studies for construction projects; research with respect to building construction; engineering services in the field of construction technology; technical project studies in the field of construction; architectural services for the design of buildings; services provided by consultants in the field of architecture and construction drafting; design and development of computer software for the field of construction; providing temporary use online of non-downloadable software for the field of construction; providing software (software as a service, SaaS) in the field of construction; design, maintenance and update of software for the field of construction; design, development, maintenance and update of process control software in the construction industry; design and development of software for the design, planning and manufacture of structural solutions in the construction industry