Over 97,000 volumes of books along with numerous culturally important and irreplaceable manuscripts were destroyed. Gorbachev was broadly supportive, describing glasnost as "the crucial, irreplaceable weapon of perestroika". Katsoulis concludes by praising Morrissey as both "inimitable and irreplaceable". British casualties were and the Italians suffered and consumed irreplaceable resources. SpaceX stated that the payload had to be "something fun and without irreplaceable sentimental value". These operations offered a chance of success, but were mere pinpricks which risked irreplaceable crews. The trust's president John Kessler called it an "endorsement of the company's irreplaceable assets". However, each skin was unique and irreplaceable. Since 2011, Aronian's permanent trainer has been Ashot Nadanian, whom Aronian calls "absolutely irreplaceable". You rip out ideas, many of them irreplaceable. They play irreplaceable role in rural financial service. The malfunction was caused by a corruption of an irreplaceable system file. Doctors may attend work while sick due to feelings of being irreplaceable. "Beautiful Liar" and "Irreplaceable" were still on the chart. Al Jean said that producers planned to retire her "irreplaceable" character Edna Krabappel.