Humanity has been battling rust since people first began using metal for their own purposes. Today, it's become such a problem that professional organizations and conferences are dedicated to rust's existence — and its suppression. smasunaga reports:
So what exactly is this pervasive vexation? Rust is the result of a chemical reaction between air, water and iron — which is a major component of steel. Add salt water to the mix, and corrosion accelerates.
“It’s kind of a double whammy,” said Lars Robert Pedersen, deputy secretary general of BIMCO, an international shipping trade association. To tackle this never-ending cycle, the Navy uses paints designed to discourage rust on parts of the ship exposed to the water, including the hull and tanks. Corrosion typically forms where paint gets damaged. When anchors bump against the hulls, that often creates an opportunity for rust.
For the cruise ship industry, rust isn’t just a maintenance issue, particularly when those ships are white. The work is hot, dusty and dark. Workers sometimes have to squeeze themselves into tight spaces, surrounded by steel that’s baked by the outside sun.
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