A. Stainless steel
B. Reinforced cement concrete
C. Cast iron
D. Asbestos cement
Correct Answer: Cast iron ✔
Last Updated: February 11, 2019
A. Stainless steel
B. Reinforced cement concrete
C. Cast iron
D. Asbestos cement
Correct Answer: Cast iron ✔
Last Updated: February 11, 2019