- A.to produce containers free from tiny breaks
- B.to make desired lines Oil the 8Hrfaee
- C.to make it easier to shape
- D.to get special patterns
- A.along the coast of the ocean
- B.anywhere under the ground
- C.in water—covered fields
- D.under volcanoes
- A.a history book for children
- B.a guidebook for tourists
- C.a newspaper for businessmen
- D.a magazine for sportsmen
- A.Volcanic clay call be found in very few countries.
- B.Non-volcanic clay can be dried more quickly.
- C.Non-volcanic clay makes better containers.
- D.Volcanic e]ay usually has more minerals.