THREE:The job was simple enough: the metal, once heated, had to be poured out into the ladle, which acted as a carrier to take the stuff on to its next station. The only critical point was the color of the heated liquid, and the eyes of Alberts and humans saw the same spectrum, with perhaps a little more discrimination in the eyes of the Alberts. This Albert had to be taught to let the process go unless the color was wrong, when a series of buttons would stop everything and send a quality alarm into men's quarters."Well, you needn't learn all of it," said Si. "It's enough for you to know that I command you. That's the A B C of the business, and all you need know. A man in the army gits into trouble offen by knowin' too much. You git it well into your craws that I command you, and that you've got to do just as I say, and I'll do the rest o' the knowin' that you need."