Its comprehensive coverage focuses on deep drawing techniques as they apply to the cold workingofmetals.
它的广泛报导集中在适用于金属冷作的深冲压技术。
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Metal waste and scrap from the manufacture of mechanical workingofmetals, and metal goods definitely not usable as such because of breakage, cutting-up, wear or other reasons.
But as such printers improve and become capable of using more durable materials, including metals, they've become a potentially interesting way to make working products.