Juhani Salovaara's first company, Ergonomiadesign Oy, was also the first limited company in the branch of design services. Ergonomiadesign Oy was established for the x-ray project of Valmet's instrument factory in 1973. The start of developing x-ray equipment was connected to the establishment of health centres and the order, according to which every health centre had to have its own x-ray equipment. The picture shows the imaging with x-ray equipment.