Câu ví dụ #11
1. The civil aviation office issued an advisory, saying "flights operating in the vicinity of the volcano are advised to avoid flying close to the summit as airborne ash from a sudden eruption can be hazardous to aircraft.
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2. The volcano is 47 kilometers high, but they are examining how far the ash is dispersed by the wind and whether it could affect nearby communities.
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3. He added that it was possible the volcano could experience another ash eruption.
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4. Kanlaon has had several eruptions, usually of ash, in the past century, leading the government to impose a permanent four-kilometre "danger zone" around the volcano where people are barred from living.
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5. "Instability of the slope of an active volcano can create a rock slide that moves a large volume of water, creating local tsunami waves that can be very powerful.
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