___________ is to be incorporated as a part of a permanent structure which have been proved to be economical.
A. Concrete cofferdam
B. Suspended cofferdam
C. Single wall cofferdam
D. Cellular cofferdam
Answer:A
___________ is to be incorporated as a part of a permanent structure which have been proved to be economical.
A. Concrete cofferdam B. Suspended cofferdam C. Single wall cofferdam D. Cellular cofferdam