Early attention was paid to changes in the bioactive glass surface.

And inside, it is the same block: just one glass surface.

The clean glass surface of her desk shone like a mirror.

The boy deposited the envelope on the glass surface of the desk, and walked out.

More than once, he used existing glass surfaces to check the route behind him.

These particles stick to the hot glass surface changing its color with interesting effects.

Remove the pan and the glass surface is barely warm.

Bob looks at his elbows after resting them on the glass surface.

They had something to do with the glass surface just beyond the toes of his worn boots, he was sure.

He could see Wright's face reflected in the glass surface.