The shooting at a high school ice hockey game left two people dead and three others injured.
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由于表面粗糙、精度不足等问题，金属件打印完成后须经历一系列复杂后处理流程，其中成本主要集中在打磨、抛光等表面精加工流程。更值得关注的是，目前大量后处理环节仍依赖人工操作。这不仅意味着高昂的人力成本，还存在重复性劳动导致的人员疲劳、效率波动以及质量一致性难以保证等问题。
But the years before seem to still inspire some people. Check out the Beagle Bros Repository – the homepage is a bit confusing (I think it prominently shows last-updated or last-added things for some reason?), but just use the nav at the top. Maybe it will inspire you, too.