hi buddies..... my wishes for the engineers day.....

hi! friends could you solve my doubt.😕 ..if the engine is made using optics which is reliable.......... wat would happen.???????????..:?:😕😕😕 is it emit some sort of energy or not.......;-)😁

k.... mr. biggggg_ k..

hi, friends..i m anand i like to disscuss one question wit u all...... Let us assume a closed container of any size having the pressure 'P'. If a small hole...

i don no................