Spacewalker John D. Olivas gathers tools during the first spacewalk of the mission in this view from NASA TV June 11, 2007.

2007年6月11日，宇航员John D. Olivas在太空舱外回收工具，这也是首次被在航天署频道上播放的太空行走任务。

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D does not require reflection nor external tools (such as the ccrewrite utility), contract programming is a "first citizen" language paradigm.

D语言不需要反射或额外的工具（例如ccrewrite），契约式编程在D语言中是天生支持的。

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Use simple virtual world-specific tools and objects to engage participants and take advantage of the 3-d nature of the environment.

使用简单的、特定于虚拟世界的工具和对象来服务参与者，利用虚拟环境的3d特性。

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Prototyping costs have dropped with the advent of 3-D printers and incubators that provide machining tools.

WSJ: Forget the Web, Valley Start-Ups Get Real

The Unreal Development Kit for Apple devices will include tools for advanced 3-D rendering, lighting, animation and other effects.

FORBES: Hit Game Engine Launches On iPhone Thursday, Android Later