A. Vitamin B1
B. Vitamin B2
C. Vitamin D
D. Vitamin K
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The raw material used for the manufacture of the Glass and is cement is :
A Clay B Gypsum C Washing soda D Limestone
A. Vitamin B1
B. Vitamin B2
C. Vitamin D
D. Vitamin K
A Clay B Gypsum C Washing soda D Limestone