Closeup shot of unrecognizable glassblowing master melting glass bubble on pipe in heated furnace at glass making workshop
Tilt down shot of glassblowers spinning molten glass on end of blowpipe in heated furnace while working in glassblowing workshop together
Low section of unrecognizable male glassblower putting melted glass on pipe in elongated form on floor to mold its shape while making glassware in workshop
Craftsman creating glass product in hot furnace
Worker melting metal in furnace at workshop 4k
Worker melting metal in furnace at workshop 4k
Worker melting molten in furnace at foundry workshop 4k
Raw materials pouring into a Glass melting furnace in a glass production facility
Zoom out no people shot of four blowpipes heating in hot furnace at glassblowing factory or workshop
The furnace for melting metal.
A furnace for melting metal
Close-up of melting furnace. Steel closed chamber metal melting furnace with glass round window to observe melting process