42 Scientific research provided by physicists, chemists, biologists and psychologists; engineering services; testing, analysis and evaluation of safety engineering examinations and safety engineering standards for industry, trade, agriculture, household and leisure time, transport and communications, and environmental protection; consulting services regarding the establishment of safety engineering standards, rules and guidelines for technical control boards as well as in relevant legislation; consulting services provided to authorities and institutions regarding questions of international safety engineering; consulting services provided to official committees for coordination of safety engineering examinations and coordinating the exchange of information of technical control boards for the uniform handling of technical examinations