Security is intangible, saving the accident is material waste.
安全是无形的节约，事故是有形的浪费。
High-strength zinc alloy die casting material for beautiful and elegant lock and high security performance.
材质使用高强度锌合金压铸而成，结构美观大方，防盗性强。
All that security material Noah was always handling made me nervous.
挪亚经常处理的那些机密使我提心吊胆。
All that security material Noah was always handling made me nervous.
挪亚经常处理的那些机密使我提心吊胆。
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