Write a summary of the following passage. 5 Helicopters are very different from airplanes. They can do three things that airplanes cannot do. First, when airplanes move upwards they must also move forward, but helicopters can move straight up without moving ahead. Second helicopters can fly, backwards, which airplanes cannot do. Third, helicopters can use their rotors to hover in the air (stay in one place) which is impossible for planes. Because helicopters can perform actions that airplanes cannot, They are used for different tasks. Since forward, they do not need a runaway for take off. They are used in congested areas where there is no room for airplanes or in isolated areas which do not have airports. Because they can hover, they are used on fire fighting missions to drop water on fires. They are used in logging operations to lift as air ambulances to airlift patients out of situations which are difficult to reach by conventional ambulances. The police use helicopters to follow suspects on the ground or to search for cars on the ground. Of course, helicopters have military uses because of their design and capabilities.
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First, when airplanes move upward, they must also move forward, but helicopters can move straight up without moving ahead. Second, helicopters can fly backward, which airplanes cannot do. Third, helicopters can use their rotors to hover in the air, which is impossible for airplanes.
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First, when airplanes move upward, they must also move forward, but helicopters can move straight up without moving ahead. Second, helicopters can fly backward, which airplanes cannot do. Third, helicopters can use their rotors to hover in the air, which is impossible for airplanes.
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