toukir-hossain (25)in #steemit • 7 years ago • NoneBlack And Whitetoukir-hossain (25)in #steemit • 7 years ago • NoneHappiness!!life is not only acquiring success it's about happiness also.A form of happiness is stay with the dearest one at dusk…toukir-hossain (25)in #steemit • 7 years ago • NoneDreamssky touching dreams!!toukir-hossain (25)in #science • 7 years ago • NoneCNG filling stationCNG(Compressed Natural Gas) filling station In the primary stage of science, scientists invented the car or…toukir-hossain (25)in #science • 7 years ago • NoneHeat ExchangerA heat exchanger is a device which is used for making any fluid(like water/ vapour etc) cooler and at the same time…
