aid to the blind การใช้

It replaced an old system of federal grants to the states for old-age assistance and aid to the blind and disabled.
Aside from firearms, he developed multiple patents, the first in 1843 for an aid to the blind and in 1845 he patented his Chirographer
"Haiti is a marvel in a way few other countries could be, " said Michel Pean, president of Haiti's Society for Aid to the Blind.
This practice is attributed to Isaac Newton, who was appointed Master of the Mint in 1699 . Although the metal used in most modern fiat coins has insignificant intrinsic value, modern milling can be a deterrent to counterfeiting, an aid to the blind to distinguish different denominations, or purely decorative.
My mother, who was the music director at Greater Boston Aid to the Blind, spends her time volunteering at the Museum of Fine Arts, playing chamber music and bridge, going to the symphony and, oh yes, managing the properties she owns . ( She invested in condominiums in New York and Boston during her working years .)