Door stops and hinges shall be secured with stainless steel, pin-in-head Torx machine screws into threaded brass inserts.

门挡和合叶应该采用不锈钢钉入式梅花机制螺丝加固在螺纹黄铜嵌入件内。

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Diffrient was a frustrated industrial designer with pioneering achievements, including the first chair whose height could be adjusted via a gas piston and spring, and a fold-up office table that replaced screws and plates with simple interlocking hinges.

FORBES: The Chair Men