The ore was easily located and worked from shallow pits and shafts, but once the usable upper deposits were removed, or if a mine shaft entered the bed too far below the surface, only unusable unconverted pyritic deposits were found.
Apps shrink the programs that were once available only on a desktop computer to make them usable on smartphones and mobile devices — stock trades, restaurant reviews, Facebook, streaming radio, photographs, news articles, videos and, of course, Angry Birds.
Each household had a single phone-line, usable once at a time.
Some might say that the way the whole euro project looks at the moment, you may find that they are usable once again if the worst happens and it all falls apart!
The onscreen keyboard is also very usable, once you get the hang of it.
Like the crowd-funding provision, many of the JOBS Act's changes will only be usable once the SEC has adopted rules implementing them.
"The outside appears to be in relatively good shape," she said, adding that it would only be possible to see if the recorder was "usable" once it was opened, which would not happen until it was back in France.
Some people agree to give up their usable organs once they die.
Once downloaded, the program, usable only on computers using the Windows operating system, displays the current temperature reading in the toolbar.
Learning toys often start as a collection of parts, which after the assembly — and presumably the learning — collect dust on a shelf (Visible Man model, anyone?) But the Bigshot camera is an educational kit that, once built, is a usable digital camera with its own battery charging crank, 3-D lens and wide-angle and regular lenses, and online lessons about optics, electronics and imaging.
