If your mother earns more than the personal exemption for the tax year in question ($3,900 in 2013), then she is not eligible to be claimed as a dependent by another individual. Keep in mind that income from Social Security does not count for this purpose.
A lint roller in use. A lint roller or lint remover is a roll of one-sided adhesive paper on a cardboard or plastic barrel that is mounted on a central spindle, with an attached handle. The device facilitates the removal of lint or other small fibers from most materials such as clothing, upholstery and linen. Once expended, the roll can typically be replaced with a refill roll. Invented in 1956 by Nicholas McKay, Sr., his most well-known (and first commercial) product was the Lint Pic-Up, the world's first lint roller. Reusable lint rollers use elastomers, including silicones and polystyrene-ethylene-butylene-styrene as a reusable tacky surface.
A study of the history of aluminum foil indicates that on April 2, 1889, Charles Martin Hall got a patent for producing the metal. The first rolling plant came out in 1910, called Dr. Lauber, Neher, Cie and Emmishofen. This was in Kreuzlingen, Switzerland. Early History and Origin. Before aluminum foil came out, tin foil was used for packing foods and other products. The metal was stiff and could leave an adverse effect on the food. It was in 1825 that aluminum was discovered, courtesy of Hans Christian Oersted. The Danish chemist was the first to show actual samples of the foil.