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G. Muthupandi, S. Pavithra, R. Vikram, K. Jayakumar, B. Vishnu, R. Nandhakumar.
© 2026. 28 pages.
The 21 st century has increased the rate of urbanization, thus making the problems of traffic snarl up, pollution, energy crisis, improper waste disposal and heavy load on the...
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