My sister wears glasses to improve her vision.

I put the glass on the table.

She poured herself a glassful of water.

Please glass the windows of the new building.

I used my field glasses to get a closer look at the birds in the distance.

She used her opera glasses to get a closer look at the stage.

Glass culture is a popular method of growing plants in a controlled environment.

I used glass paper to smooth the surface.

Glass wool is commonly used as insulation material in buildings.

The window was made of ground glass.