Metallurgical Grade Silicon

Famous quotes containing the word grade:

    Life begins at six—at least in the minds of six-year-olds. . . . In kindergarten you are the baby. In first grade you put down the baby. . . . Every first grader knows in some osmotic way that this is real life. . . . First grade is the first step on the way to a place in the grown-up world.
    Stella Chess (20th century)