核心的瓶颈首先在于精度问题。目前技术虽然在不断进步，但在打印精细结构或大尺寸零件时，依然难以达到高精度装配所需的公差要求及优秀的表面质量要求，这直接导致了打印件难以直接作为最终功能部件使用。
Dr Lucy Joslin said there has been an increase in people being aware of their menopause symptoms
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Pepers adds that since the company switched to a four-day week "staff sickness is down, and retention is up". But she says that the idea was initially a hard sell.
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