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Q. |
The traveling speed of cranes varies from |
A. | 1 to 2.5 m/s |
B. | 5 to 15 m/s |
C. | 20 to 22.5 m/s |
D. | 25 to 40 m/s. |
Answer» A. 1 to 2.5 m/s |
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