__________ it suitable when available working space is limited and the area to be enclosed is small.
A. Single wall cofferdam
B. Double wall cofferdam
C. Dikes
D. Concrete cofferdam
Answer:A
__________ it suitable when available working space is limited and the area to be enclosed is small.
A. Single wall cofferdam B. Double wall cofferdam C. Dikes D. Concrete cofferdam