5s : the practice of good housekeeping.  [Book]. 

 - Singapore :   National Productivity Board. 
 - 32p. :   ill. ;   21cm. 
<br/><br/><label>ISBN: </label>9813038055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Factories --Safety measures.<br/>Industrial housekeeping.<br/>Industrial safety.<br/>Safety.