The fifth step consists of removing all the elements on #board that hinder the preparation of the #surface and the subsequent application of the top #coat.
That is, #doors, #cranes, #fittings, #hatches, etc...
The fourth step consists of finding and marking all irregularities of the #surface to be #painted, small bubbles, chipping, etc.
More: https://www.skyocean.eu/surface-details/