41.  It is far from certain that ONC, which is very costly to make, will find practical uses.

42.  It seems a shame to let all those Web pages go to waste, especially since they can be put to so many practical uses.

43.  It has no practical use, except to bolster a widely accepted theory called quantum chromodynamics, or QCD.

44.  It was only a matter of time before they figured out the rest of the alphabet and put it to practical use.

45.  It took more than a decade to find practical uses for optical lasers, now ubiquitous in CD players, supermarket scanners and operating rooms.

46.  Just over the horizon, he sees a whole new generation of practical uses for digital signals, requiring ever more sophisticated but easily operable processing equipment.

47.  Justice Department officials want them to put their emotions to practical use, to help win the death penalty for the suspect charged in the terrorist attacks.

48.  Less remarked upon is the fact that there is probably not the means to put it to practical use.

49.  No practical uses of metal hydrogen are feasible until the scientists learn how and if they can keep the hydrogen in metallic form indefinitely.

50.  No one seems to care much about Yoda, although Queenan does manage to put his annoying Yoda persona to practical use with telephone marketers.