Heater using Bulb | बल्ब का उपयोग करके हीटर बनाना

In this video, I have made one simple heater using BULB. Which is working very nicely. The cost is very low for making this type of heater.
While making the bulk heater, I am using the below-mentioned materials:
Bulb
Oil Tin Box
Wire
Bulb holder
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