If you want to be a draftsman a machinist a molder or a patternmaker you'll need algebra and geometry and even trigonometry.
如果你想成为手工艺人、纫工、型工或制模工，你需要代数和几何，甚至三角。
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The building was commissioned by a family composed of the husband who manages an insurance company, the wife who works as a patternmaker and their two children.