Teoh, Lay Hock <br/><br/>
Information on ball clay with special reference to its importance in Malaysia 
Teoh Lay Hock. 
 -  1993 
 - 7 p.  30 cm 
<br/><br/> The term 'clay' conveys a variety of meanings depending on the context in which it is used, and always requires some qualifying remarks to avoid ambiguity. Commercially the term is used to describe the ine - grained earth material which because of certain properties can be extracted for industrial use. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ball clay--Malaysia<br/>Sediments (Geology)--Malaysia