00:00 - intro 00:29 - How Gas Cylinder And Tankers are made 01:52 - What is QR-Code & How it's works why are liquid carrying tankers like fuel and water cylindrical in shape? how gas cylinders are made #allarounder #qrcode #qrcodescanning #barcode #qrcodegenerator #cylinder #cylinders #gascylinders #tankers #allrounder #factsvideos #amazingfacts #interestingfacts #factsdaily #amazingfactshindi #hiddenfacts #unusualfacts #unusualthings #unbelievablefacts
