rahul rakshit
11 years 6 months ago
Many developments have been done for conserving energy in various countries...in Sweden, heat released by the body of human during running, walking at the railway station is being used to heat the cold water using heat exchangers n other technologies..India is having such an enormous crowd at each n every station, huge amount of energy can be generated using that technology..
Like
(0)
Dislike
(1)
Reply
Report Spam
