The research team carried out various visits to hospitals of the kingdom to perform measurements and examinations for 102 X-ray machines including general x-ray, Fluoroscopic X-ray, cross-section X-ray, breast- cancer examining X-rays and transportable X-ray machines. The team investigated hundred points for each X-ray machine besides the technical examination of the X-ray generator, horizontal carriers, cables, patient bed, the light specifying radiation locations, the control panel and the electric switches