marineinsight.com

b6Wp9 TIL shipbuilders often place "Sacrificial Anodes", which is metal nodules made of easily-reacting metal like zinc, to "force" the Anodising corrosion to happen on these "throwaway" spots rather than on the main steel hull of the ship
M7Qw0 TIL that there are tanker ships out there that only transport fruit juice
awRW0 TIL there are 14 sailors stuck on an oil tanker off the coast of the UAE for nearly 4 years due to their company abandoning them and the ship.