In the first step of the process, molten glass was extracted from the pot.

At that time, two types of furnaces were used to create the molten glass.

One was to drop molten glass from his window.

More recently drawing has been used with molten glass to produce high quality optical fibers.

We're eight hours away from seeing Earth get turned into a glowing ball of molten glass.

The molten glass and shattered rocks could not be produced by anything other than an impact, she said.

Such a simple procedure, he thought, only breath and molten glass.

"Wouldn't he need a furnace to work with molten glass?"

Adults can't run so fast with the molten glass.

The viscosity of the molten glass is very important for manufacturing success.