The first step to ensuring the safety of your food supply is keeping track of when you purchased and opened each item.

第一步，为确保安全，当您购买和和打开每个食品前，应对您的粮食供应是保持跟踪。

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Appendix Aprovides a representation of current requirements and open issues related to track safety standards.

附录a提供了当前要求和轨道安全标准相关之未决问题的陈述范本。

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These days, compiler will take care of type safety and will track type information.

如今，编译器会检查类型安全性，跟踪类型信息。

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As a result, sweeteners have been very widely tested and reviewed for safety and the ones on the market have an excellent safety track record.

BBC: Diet drinks' 'link to depression' questioned

Now consumers would not be gouged on the fare and public safety officials can track the location of every vehicle in real-time, thanks to a new public-private partnership of the Govt. of India and IDFC, a private company focused on infrastructure development in India.

FORBES: When Tradition Meets GPS-Enabled Rickshaws And Biometric Scans

Among the ideas that have become reality: A product that helps remotely track the safety of school buses, improvements to the internal phone system and cost-cutting measures, such as reducing the use of overnight delivery for packages.

WSJ: My Colleague, My Paymaster