 
			 
			MCQOPTIONS
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				| 1. | DORR-OLIVER_THICKENER_IS_ALSO_CALLED_A______?$ | 
| A. | Continuous thickener | 
| B. | Raker | 
| C. | Continuous thickener & Raker | 
| D. | None of the mentioned | 
| Answer» D. None of the mentioned | |