1. Air crews waged a fierce battle against the southeast corner of the fire, burning dangerously close to canyon homes.
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2. This dogfight was part of a simulated air battle at a height of up to 60 metres above Beijing Aviation Museum on Saturday.
3. Authorities in this Southwest China's municipality are claiming success in the battle against its infamous smog after a long campaign for cleaner air.
4. A typical example was last year's battle between leading home appliance retailer Gome and the top air conditioner maker Gree.
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5. Making sure air pollution control rules are strictly observed is the first step in winning the battle for breathable air.
6. He added that the new film would shoot air battle scenes in Yunnan province.
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7. Controls on air conditioning are one measure being considered in the city's battle against a power supply shortfall.
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8. British air force ground forces have been urged to grow beards to help in the battle with insurgents in Afghanistan.
9. China's air force is expanding the use of flight simulation technology to hone fighter pilots'skills and air battle tactics.
10. During China's uphill battle against its appalling air pollution, a consensus is urgently needed that inaction is no longer an option.