https://joy.videvo.net/videvo_files/video/free/2014-05/large_watermarked/Blowtorch_Gold_2_preview.mp4 Blowtorch Gold 2 A blowtorch heating and melting gold. This clip was obtained at a jewellery production facility in Italy 2014 1080pblowtorchblueflamegasgoldhandheatItalymanmeltmeltingmetalmetalworkpropanetemperworkshopyellow