Art is sometimes etched into glass via the use of acid, caustic, or abrasive substances.

Some clothing protects from specific environmental hazards, such as insects, noxious chemicals, weather, weapons, and contact with abrasive substances.

This is achieved either by using acids or other chemicals to loosen old skin cells, or abrasive substances to physically scrub them off.

Etching refers to the technique of creating art on the surface of glass by applying acidic, caustic, or abrasive substances.

The coarse nasal whine of Madonna, Britney Spears and their countless bratty clones evokes peroxide and other abrasive substances found in polluted waterways.