This paper sums up the experi-ces to improve the cleaning zone roof structure in cold maintenance.

本文就此次冷修对贫化炉区炉顶结构改进做一总结。

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This is the first time we are cleaning at that height, in the death zone.

曾七次登上世界最高峰的纳姆格亚尔 夏尔巴说：“这是我们第一次在死亡区这么高的地带清理垃圾，难度很大，也很危险。”

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Good permeability, so that the cutting zone, cooling, cleaning and good effect, prevent the workpiece burn.

渗透性能好，使切削区冷却，清洗效果特别好，防止工件烧伤。

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Importance of cleaning of the site together with establishing of buffer zone was highlighted as the significant first steps in conservation of the World Heritage Site.

UNESCO: World Heritage Site at Makli

World Vision has a team headed into the disaster zone with emergency food kits, blankets, cleaning supplies, hygiene items and tarps.

CNN: Helping with disaster in the heartland