The discovery of different kinds of metals has made it possible for people to craft various items from them and use them in daily life. In transportation, for example, sturdy metals form the frameworks and hulls of everything from automobiles to airplanes.
An article posted by Ken Kessler for The Telegraph reports that amphibious marine vessels called Sealegs are now available for civilians to purchase. Apart from their tactical use, such vehicles are said to have practical and long-term use for maritime excursions and the like. These boats are highly durable and highly resistant to corrosion, thanks in large part to its premium, marine-grade anodised aluminium hull.