1.

What is the specific gravity of the bark in usual cases?

A. 0.90 – 1.45
B. 0.40 – 0.65
C. 0.45 – 0.90
D. 1.24 – 2.00
Answer» C. 0.45 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.90


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