I had also made glass but a day or two before.

A company that makes glass, for example, was recently sold.

He had found out how to make glass from ashes.

Someone once told him that they made glass out of sand.

What if they found a way to make glass out of oil?

It is a very important agent to make pink and red glass.

Sure, you can make other stuff, rocket fuel and glass.

For many years he had studied the science of making glass, and the stones from which it might be made.

The evidence then points to two regions that were making and exchanging glass.

The factory method has been the traditional way of making artistic glass.