I've seen pictures where you could see this corrosion caused by bacteria or an accumulation of fungus behind wet towels.
As carbon fiber can better resist fatigue, corrosion, and UV radiation, subway cars made of such material are expected to have an operational life of at least 30 years, said experts with CRRC Changchun.
According to chief designer Huang Lingcai, "The AG600 is like a ship that can fly" due to its advanced gas-water dynamic engineering and underwater corrosion resistance technology.
ANA says it will replace the engines on its fleet of Boeing 787s after a series of engine failures caused by corrosion and fatigue cracking of turbine blades.
His celebrated full-length novels included Rainbow, Midnight and Corrosion.
