There are video walkthroughs for anyone stuck in the Night Work at the Factory Single Player episode. 

There is a series of twelve videos by EmoLevelDesigner.
You can check them out at Youtube - https://www.youtube.com/watch?v=myDxkgzd5RI&list=PLBrxHaHMOb7bWx-LKVvbQZqi2mpsDldq3


This is a Czech language series of seven videos by Najlvin.

You can check them out at Youtube - https://www.youtube.com/watch?v=faudeK40kig