There are two hinge cover on the left and right side of the LCD. It hides and protects the screws n stuff.

在LCD的左右两侧有两个绞丝盖。它们用来隐藏和保护内部的螺丝。

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Fix a hinge with two screws on the doorframe.

在门框上用两个螺钉固定一个合页。

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Continuous piano-hinge shall be attached to door and stile by theft-resistant, pin-in-head Torx stainless steel machine screws into factory installed, threaded brass inserts.

连续钢琴合叶应该采用防盗钉入式梅花不锈钢机制螺丝加固在门和隔断板框上工厂预装的螺纹黄铜嵌入件上。

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This includes a patented hinge concept that makes screws and soldering obsolete, and the company's own polyamide-based material, called Mylon, which makes frames lighter and more durable.

WSJ: Shop Talk: What a Spectacle | Mykita Glasses