Oil shale deposits range from small presently economically unrecoverable to large potentially recoverable resources. The virtual computer was developed to reduce the chances of an unrecoverable software failure. Printing introduces much noise in the ciphertext, generally rendering the message unrecoverable. Many users have reported spontaneous unrecoverable bootloops. While hull damage is unrecoverable, shields recharge over time. Both planes accelerated rapidly; the German went into a violent, unrecoverable spin. Another surgery restores many of her memories, but her love for Steve seems unrecoverable. The Habsburg cause in the next few years would seem to suffer unrecoverable reverses. Modern fighter aircraft are not immune to the phenomenon of unrecoverable spin characteristics. He passed away on 21 December 1999 following an unrecoverable cardiac arrest. Its etymology is certainly unrecoverable at this date. The soundtrack for some of the spoken tracks was unrecoverable. Those who were regarded as "unrecoverable" were shot.