A. steel and concrete are same
B. steel is lower than that for concrete
C. steel is higher than that for concrete
D. none of the above
Correct Answer: steel is lower than that for concrete ✔
Last Updated: January 12, 2019
A. steel and concrete are same
B. steel is lower than that for concrete
C. steel is higher than that for concrete
D. none of the above
Correct Answer: steel is lower than that for concrete ✔
Last Updated: January 12, 2019