Answers

2015-09-06T07:43:55+05:30
U can use a clean city or village model to show that how clean it is
the buildings huts and etc can be maid out paper folding
painting craft work pencils and pens needed
and also show the  new devices and new types of cars and other machines which doesnt pollute
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2015-09-06T12:32:18+05:30
ALL YOU NED IS A CLEAN CITY EITHER URBAN OR RURAL WHERE THE POLLUTION CHECK CAN BE MAINTAINED.THE WE CAN SHOW VARIOUS POLLUTION CONTROL MEASURES.FOR THIS YOU CAN SHOW THE WELL WASTE MANAGEMENT PRACTISE OF A CITY.
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