10,

2 z + 5. rat
4e z Z Ff. ia. fhe Zz. (0
hrs i is 7s Fe ree
20/7, reo 2). 22. Ps a S$
|
lo i¢ 26. az 2g. ag z\40
Ole. 32- #3. i, : gy
B50 4o 30 2.0 10 a
A. = AW Y REIT
B. = ANY CLAY
c. = ANY FLUX
D. # SILICA (FLINT).