... people work in research of radiation of medical, health, epidemic prevention uinit and the people in X-ray room.You can choose the screen ... it.Single screen: 1800mm high, 900mm wide, fixed with 4 castors, the front 2 are directed ones and the rear 2 are steering ... in its bottom.Triple screen: 1800mm high, 900mm wide, each secondary screen is 400mm wide, fixed with 6 castors, the front 2 ...