Pura matter pata lg gaya ab mujhe..
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Hua ye tha Ki testing hui thi t18 ki jisme ohe se electricity le k motors run kia jata h uska ulta step kia gaya means wheels ko speed me ghumaya aur fir motors se electricity produce hui aur ohe me vapas gai, jisse usi line pe khdi 1 emu aur 2 eloco k components fuk gae, as vo 40 years old insulators the ...
So...
more... matter kuch aesa h
SourCe:YT video