പ്ലാസ്റ്റിക് ബോട്ടിൽ വച്ച് വാകും ക്ലീനർ| how to make a vacuum cleaner in malayalam|

This video explains how to make a vacuum cleaner using a plastic bottle. The procedures are very simple and the raw materials used are very easily available.
Things required are :
1) a plastic bottile (size shown in the video)
2) dc motor (which should have more than 8000rpm)
3) thin metal sheet (source shown in video)
4) a small piece of a hose pipe.
5) some copper wires.
bgm ncs : • Video
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