The engineer who works within the thermal system explained there have been considerable treatments for eliminating and analyzing tiles, especially for big overhauls like a person Columbia received in 1999. ''We took numerous tiles off just for that inspection, and no corrosion was found,'' the engineer said. The system used https://www.facebook.com/permalink.php?story_fbid=pfbid0q9ndf1BJBDTdkYp47dhgkVwzjCa9uvUfrph1G5iY6jDFJ3CFiubTvYb2BugmQWHnl&id=61562415773754&__cft__[0]=AZUXObaQYt-gIoMxrW_KprnWU9S9uDqrPLJ9OYNPUyTxEgdQhL5RNZwEptVpMksEZCfj3B4zmy4dAGn59S2XXsODDpfvcpIzI0HLcqXXgN-2-lkH84CiudiaZ4UeKaXhFh6T1Yr8X50femqGbt_mSIJRaubt4AnKKX__f18GQwqXKPvNpSL_qZ-80EcFQ6gLjWH7-TAXqBj801AcshJePcsO&__tn__=%2CO%2CP-R