Services of medical, bacteriological and chemical laboratories in connection with hygiene, namely, medical laboratories, bacteriological analysis and testing, and chemical laboratories; quality assurance in the field of hygiene with regard to medical services; testing of medical products; monitoring and support with regard to hospital hygiene, namely, monitoring of hospital equipment for quality control purposes; quality management, namely, quality evaluation and analyses, quality assurance and quality control of medical products; testing and quality checking in the nature of quality evaluation and analyses of machines and processes of medical instruments, textiles and apparatus, as well as crockery; environmental examinations in connection with hygiene, namely, inspection for quality control purposes of medical facilities; services of technical measuring and testing laboratory, in connection with hygiene, namely, quality measurement of medical products and medical devices for hygiene purposes