In principle, stains do not provide a surface coating or film.

A contact might comprise a copper strip with a surface coating.

The cells can manipulate them to form a surface coating quite easily.

The first job might be to remove surface coatings, she says.

It is mainly used for surface coatings of walls and ceilings in housing construction.

The pier retains its railway lines under a surface coating of concrete.

Most quality fish hooks are covered with some form of corrosion-resistant surface coating.

A contact might be composed of a copper strip with a surface coating.

A further problem is that the surface coating of fresh volcanic ash can be acidic.

It might be just the surface coating of a colony that lives inside the rock.