[Solved] How much SO3 is necessary in concrete to reduce its erosion?

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Q.	How much SO3 is necessary in concrete to reduce its erosion?
A.	< 0.04 m
B.	>0.04 m
C.	0.05 m
D.	< 0.05m
Answer» A. < 0.04 m

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Maintenance and Rehabilitation of Structures

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