The use of lightweight concrete results in the reduction of cost to the extent of about _______
A. 30% – 40%
B. 50-60%
C. 10-20%
D. 70-80%
Answer:A
The use of lightweight concrete results in the reduction of cost to the extent of about _______
A. 30% – 40% B. 50-60% C. 10-20% D. 70-80%