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Yes, I think that those stranded ships need a bit of repair. Or a fresh protective paint, at least.

It seems so, so that it looks a little newer if you add new paint.

Yes, it looks newer, but that's not the main reason for painting. The paint contains chemicals that repel sea organisms that get attached to the boat or make minuscule tunnels if the boat is made of wood.

yes, i agree with you, i see it often here, if the boat has a leak it will definitely be covered by new paint, and also remove any objects stuck to the boat