<P> Traditional uses of clay as medicine goes back to prehistoric times . An example is Armenian bole, which is used to soothe an upset stomach . Some animals such as parrots and pigs ingest clay for similar reasons . Kaolin clay and attapulgite have been used as anti-diarrheal medicines . </P> <P> Clay as the defining ingredient of loam is one of the oldest building materials on Earth, among other ancient, naturally - occurring geologic materials such as stone and organic materials like wood . Between one - half and two - thirds of the world's population, in both traditional societies as well as developed countries, still live or work in buildings made with clay, often baked into brick, as an essential part of its load - bearing structure . Also a primary ingredient in many natural building techniques, clay is used to create adobe, cob, cordwood, and rammed earth structures and building elements such as wattle and daub, clay plaster, clay render case, clay floors and clay paints and ceramic building material . Clay was used as a mortar in brick chimneys and stone walls where protected from water . </P>

Write three places where clay soil can be used