As a heavy rod of glass sinks into a searing furnace, a wheel below it whirs. Every second that the drum turns, it pulls almost another meter of glass fiber off the softened end of the translucent shaft.
As a heavy rod of glass sinks into a searing furnace, a wheel below it whirs. Every second that the drum turns, it pulls almost another meter of glass fiber off the softened end of the translucent shaft.