It has obvious technical, economical and safety advantages over the traditional method of producing potassium tert butoxide from metallic potassium.

它比传统金属钾制取叔丁醇钾有明显的技术、经济、安全优势。

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They're typically made of a metallic weave that can include carbon, lead and potassium.

FORBES: Shield sham

Typically they are made of a metallic weave that can include carbon, lead and potassium.

FORBES: Shield Sham