上夜班、加班，以及在封闭厂房内作业时，必须安排两人以上一起工作。
For night shift, working overtime or working in an enclosed workshop, there must be over 2 workers together.
利用轻工业生产用厂房进行芽苗蔬菜半封闭、立体、无土栽培，是传统农业生产与工业集约化规模生产相结合的一种新型生产方式。
Sprouting vegetables can be produced in disused light industry workshops through semi-closed, spatial and soilless culture. It is a new production method combined tradition with intensive production.
因我省地处高寒地区，纺织厂厂房多为封闭式。
Heilongjiang Province is located in high and cold area, and most of the textile factories are closed buildings.
因我省地处高寒地区，纺织厂厂房多为封闭式。
Heilongjiang Province is located in high and cold area, and most of the textile factories are closed buildings.
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