

MCQOPTIONS
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1. |
WHAT_IS_THE_AMOUNT_OF_CLAY_NEEDED_IN_GREEN_SAND??$ |
A. | 5% – 10% |
B. | 5% – 15% |
C. | 15% – 30% |
D. | 25% – 40% |
Answer» D. 25% ‚Äö√Ñ√∂‚àö√ë‚àö¬® 40% | |