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we can put noise under control if we take effective measures sometimes we have to shout loudly so that others can hear us shouting is the chief cause of noise pollution nowadays it is important to warn people of the danger of noise pollution
urging their governments to control litter and waste cutting down the use of oil and other oil products reducing unnecessary buying, over-consumption and careless disposal of wastes Making anti-pollution advertisements
power control learning government
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no manufacturer will go bankrupt for spending money on pollution control less money will be spent in buying pollution control devices manufacturers know how to control pollution more effectively all manufacturers have to take measures to control pollution
change the anti-pollution standards for its products sell its products at a more expensive price buy materials at a higher price pay more money to its workers
to prevent pollution by legislation, economic incentives and persuasion to arouse public awareness of the importance of environmental protection to take radical measures to control environmental pollution to improve the quality of life by enforcing environmental standards
power control learning government
Companies have not been given an equal chance to develop their business. A company will go bankrupt if its cars have to be installed with pollution control devices. The US government has not set up standards on pollution control for car producers. It is necessary to persuade producers to take effective pollution control measure.
control learning power government
to describe how a company can go bankrupt to emphasize the urgent need of cleaning up the environment to stress the importance of the government’s role in preventing pollution to tell how difficult it is to keep the environment free from air-pollution
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manufacturers will not take care of pollution control on their own will few manufacturers are aware of the importance of air-pollution control air-pollution control devices are more expensive than other devices people like to buy cars that are equipped with pollution control devices
control learning power government
That; how That; whether What; that What; whether
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