Plimsoll mark
From Conservapedia
This is an old revision of this page, as edited by DavidB4-bot (Talk | contribs) at 17:37, July 13, 2016. It may differ significantly from current revision.
A Plimsoll marl is a series of horizontal lines, corresponding to the seasons of the year and fresh or saltwater, painted on the outside of a ship marking the level which must remain above the surface of the water for the vessel’s stability.[1]