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The mechanical design engineer, Harish Mohan, at the Ammachi Labs, Amrita Vishwa Vidyapeetham, Kollam, along with other engineers, have been working on a toilet project for over two years. Their aim is to design an easy-to-make toilet, with less material and skilled labour, which will benefit thousands of families across North India. The model was tested in different locations to find out the compressive strength and water durability. The team will soon start putting up the toilets.