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