groynes

sea walls

revetments

moles

when the dock is empty

when the dock is empty with the ship of maximum tonnage

when the dock is full of water

when the dock is dry and is under construction

5-Aug

3-Aug

16-Mar

16-May

90° with the face of the dock

45° with the face of the dock

30° with the face of the dock

10° with the face of the dock

(i) and (ii) are correct

(ii) and (iii) are correct

(i) and (iii) are correct

(i), (ii) and (iii) are correct