Unlike most elements, the highly toxic antimony has the property of expanding as it cools from molten to solid, not unlike water turning to ice. Its melting point is over 600°. Most people equated softness with a low melting point for metals, but the fact was that the melting point of lead was nearly 100° higher than that of tin. Like mixing silica with soda to make glass, mixing the three metals together changed the melting point of all three. The lead kept the type metal from being too brittle, while the tin made it more durable so it could withstand the pressure of the press without deteriorating. But antimony, expanding while the other elements contracted, provided the essential ingredient of dimensional stability so that each character of type was the exact same height. In front of Keith were other metal powders as well, including iron, copper, and zinc. Nothing in the instructions indicated what combination of elements he should use or how much of each. Keith had to determine. " No. I asked Mom. Auntie insisted. Well I guess I insisted right back. I learned something though. Mom told me to call her. I mean, I've got your number which is Marisol's number. Why didn't I think of that? At first she stuck to her guns, telling me the time with you should be precious. She even hung up on me. So I called right back and immediately told her why I needed her." Why did you need her?" Because ... I don't fit in Daddy. I'm weird." I agree you're different, my love, but neither your mother nor I find you any less incredible. We..." I know. You're both really cool parents. David sometimes looks cross-eyed at my choice of clothing and attitude, but fuck him." Mary..."Mary laughed. "I know. I got a dirty mouth, but only when I want to get the point across. I like David, okay? He's sweet and definitely worships Mom. But it just shows I'm different to almost everyone, even my step dad notices that. Anyway, so I just go on a tirade about my weird brain and school and my lack.
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