Democracy is not exportable like food or cement.

They built the walls of the fortress without using cement at all.

They are binding the gravel with cement to repair the road.

The blocks of stone were jointed with cement.

We need to bind gravel with cement.

A house is built on top of a solid foundation of cement.

The cement will set in a couple of hours.

It will take awhile for the cement to dry before we can use it to park the car.