采用该工艺对于管道集中布置的管井及现场施工作业面狭窄的高层建筑的机电工程施工，可节省塔吊作业时间并减少现场作业人员数量。
Using this technology can save working times of crane and reduce workers to pipe well with centralized arrangement pipe and electric engineering with narrow working platform.
在押送车事故现场，警员和事故救护人员正在作业，警长Nate Ballard和Bellick讨论着目前的局势。
At the scene of the van accident, Police and EMT personnel do their thing while Sheriff Nate Ballard discusses the situation with Bellick.
凡属承包商雇用的现场工作人员，承包商必须根据作业种类和特点并按照的劳动保护法发给相应的劳保用品。
The contractor shall provide all his on-site employees with labor protection necessities as per the type and characteristics of their work and in accordance with national labor protection laws.
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