[@Emonvlogs487]

nice video

[@ardesignandplanning4465]

Thanks you

[@DhakaBoys71]

What should be the ratio of bitumen and kerosene?
What should be the temperature of bitumen?

[@RafiqulIslam-tr6uc]

বিটুমিন ও কেরোসিনের অনুপাত কত?