All of X-ray machines and articles for personal protection are not ageing ; There are lack of shield materials for doors and windows of buildings to put X-ray machines .

结果：医用 诊断X线机防护现况存在以下问题： 放射工作人员防护意识淡薄，部分 医用 诊断 X线机和个人防护用品老化，部分单位机房门窗缺少 屏蔽材料。

Results X-ray has great impact on the ceiling wall door and windows . Therefore in setting up the lead protective shield nail-holes should be carefully covered to prevent the leaking of X-ray .

结果由于 X 射线对天花、 地面、墙身、门、窗影响最大，故搭挂铅皮均应注意钉孔的 保护，以免X射线从钉孔泄漏。