An internal screw thread is cut with a tap, while external screw threads are cut with a die.
tap
die
He survived four days, in great suffering, and then died, leaving a case of perfect incomprehensibility to the world. Those who believe in spontaneous combustion ascribe it to electricity, and what not; others, again, are rather incredulous. The Baron de Liebig makes very merry over the fact of the nightcap being burned, and the hair on the head escaping scot-free.
I hate going in my parents' room. It skeeves me out.
Well, I can't get angry, okay? I mean, I have a tendency to internalize. I can't express anger. That's one of the problems I have—I grow a tumor instead.
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DiQt(ディクト)
無料
★★★★★★★★★★