本刊1985年第10期登载了笔者《有限空间场所的安全问题》一文。事后回想,感到还有必要对安全预测讲点情况,以作补充。为此又写了本文。 有限空间作业场所分两类:一类是具有人孔或顶盖的密闭容器;另一类是具有有限出入口的作业场所,如下水道等。两类作业场所对作业工人的危害,既 This issue No. 10, 1985 published the author of “a place for limited space safety issues,” a text. After the recall, I felt there is a need to talk about security projections to supplement the situation. To this end, I wrote this article. There are two types of workplaces in limited space: one is a closed container with a manhole or roof; and the other is a worksite with limited access, such as a sewer. Two kinds of workplace hazards to workers, both