Offshore, deep-water crane comprising a support structure; a lifting arm (104) secured to the support structure and extending therefrom; at least one lifting rope (101) extending from the support structure towards an end of the lifting arm (104) remote from the support structure, the lifting rope (101) having a specific gravity less than 3 and a traction winch (103) for moving teh at least one lifting rope (101) from the support structure along the arm (104) and vise versa.
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