This paper analyses the problems in reducing costs in metallic mines and presents that economizing energy and enhancing safety are two workable approaches to the efficient safety economy.

本文从节能及加强安全管理两方面对减少金属矿山的安全经济投入问题进行了分析与探讨，达到提高安全经济运行效率的目的。

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The utility model has the advantages of quick mounting, reliability, economy, environment-friendliness and safety, and can utilize complementary solar energy and wind energy to supply electricity.

本实用新型的有益效果是， 安装快捷、利用太阳能、风能互补供电，可靠、经济、环保、安全。

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The plan laid out a compelling vision of how universal broadband access could jump-start the stalled economy, catalyzing new on-line services in education, employment, health care, public safety and energy.

FORBES: On One Year Anniversary, Gig.U Delivers Impressive Results and Valuable Lessons for Gigabit Internet