🚂 Why does Bio toilet of train smell？ Bio toilet working explained

#biotoilet #biotoiletworking _________________________ 00:00 - About bio toilets 01:00 - How bio toilets came in railways 01:45 - Bio toilet working 02:18 - Why bio toilet smell 04:47 - Cobra Quiz Everyone has noticed that after installing bio toilets, the toilet of train are smelling more than before. This video shows the real reason behind the bio toilet smell, alongwith explaining complete working of bio toilet. _________________________ Cobra Quiz: The winner's name is announced at the end of the video. Check out now. Winner, please send your UPI ID along with Snapshot of your Youtube Channel homepage to mail ID thecuriouscobra@gmail.com to get Rs. 51 UPI cash in your bank account!!_________________________ #biotoilet #biotoiletworking