A credit card generator uses a computer program to quickly create a large series of numbers that may be valid, and in some cases the same program can authenticate the numbers to tell the user if the numbers are valid and usable.
As a matter of fact, putting in a pocket door can add 15 square feet of usable space to your room, enhance wheelchair access, and keep your space looking light and airy while still providing privacy when you need it.
If you have clothing or household items that you no longer want that are in usable condition, donating them to the Purple Heart Charity is a way to give something back to the men and women that served our country.
In addition, it means that usable MRI images can be obtained in a very short period of time (1.5-2 minutes on average) rather than the longer periods of testing required when radioactive materials are used.
When decorating with contact paper, you can transform the surface of an item into something that looks like brick, stainless steel, wood, leather, marble, suede or even a usable chalkboard surface.
It is therefore not very difficult to produce a usable eyepiece.
Rapid settlement, excessive prices, reckless waste of money, and wild commercial ventures that glutted San Francisco with all objects usable and unusable made the following years astounding from an economic point of view; but not less bizarre was the social development, nor less extraordinary the problems of state-building in a society " morally and socially tried as no other American community ever has been tried " (Royce).
The kago was the humblest of all conveyances recognized as usable by the upper classes.
By experiment Abbe proved that old, good microscope objectives, which by mere testing had become so corrected that they produced usable images, were not only free from spherical aberrations, but also fulfilled the sine-condition, and were therefore really aplanatic systems.
Aqueduct (1831-1835) is still usable in case of need; its supply was the Almendares river (until long after the construction of this, a still older aqueduct, opened at the end of the 16th century, was in use).