Fill in the gaps with the necessary preposition

D A service for recycling

The environmental organization Clean City started a recycling project in the area because there are currently no recycling facilities in the city. There is a number of large stores outside the city centre which provide this service, but this is inconvenient for many residents. The service began July 23, and collections will take place every Monday thereafter. Environmentalists set up recycling bins almost in each neighbourhood so that people could drop off things for recycling. Then they organized collection points at various locations around the town, which were clearly marked for easy identification. All city residents have to do is to take their waste paper and glass to these points. The only thing they asked city dwellers about is that all glass products should be washed thoroughly and have their lids removed beforehand. Volunteers collected a lot of waste paper and glass for delivery to a local company which would recycle it.

The campaign was of great interest to many people who were willing to help in environmental matters. If environmentalists organize it on a regular basis, more residents of the town will stop discarding their reusable rubbish and recycle it instead. This way the amount of rubbish can be reduced and natural resources may be saved. With improved recycling system everybody’s home town will become cleaner and more attractive.

1) Controlling pollution depends ____ the efforts of the government, scientists, environmental organizations, and individuals.

2) Plants and factories must make use ____ the up-to-date purificatoryequipment, filters, etc.

3) The government should impose heavy fines ____ factories and plants violating environmental protection laws.

4) Heavy fines might encourage companies to invest ____ pollution control equipment or to develop less polluting methods of operation.

5) The farmers should use compost _____ huge quantities of pesticides and fertilizers.

6) Scientists and engineers should look _____ technological solutions to prevent pollution.

7) An effective method of combating ____ non-biodegradable waste might be setting up recycling bins almost in every neighbourhood.

8) Another way to deal ____ pollution is to relocate a factory stinking in the middle of the residential neighbourhood to the edge of the city.

9) The children appealed ____ all city residents to stop dumping garbage in the river and to treat industrial waste _____ discharging it into the water.

10) Environment education programme encourages students to participate regularly ______ activities to monitor the pollution of the river and campaign for keeping it clean.

11) If rubbish is not disposed ____ properly it is especially dangerous.

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