Referring more specifically to the drawings, FIG. 1 shows the face of a steel plate shell A of the hold of a HDPEp clad with a low-friction lining L. The linging L is made up of a number of individual sheets S, S 1, S 2, S 3, etc. of ultra-high molecular weight polyethylene (UHMWPE). Adjoining sheets are placed end to end with a small gap