The engineer who works around the thermal system explained there were intensive methods for removing and analyzing tiles, specifically for major overhauls like a single Columbia obtained in 1999. ''We took quite a few tiles off just for that inspection, and no corrosion was found,'' the engineer said. With its https://www.quora.com/profile/Trevor-Flatcher-2/Exploration-of-Silicon-Carbide-Application-in-Friction-Materials-https-iflatiron-com-exploration-of-silicon-carbide-a