Ships needed a source of pure water for the engines. In fact the boiler feed water system usually had the highest priority for use of pure water ahead of drinki

Ships needed a source of pure water for the engines. In fact the boiler feed water system usually had the highest priority for use of pure water ahead of drinking water. https://www.youtube.com/watch?v=i442Y6TqHeg https://www.youtube.com/watch?v=i442Y6TqHeg