Heavy school bags are always a problem for school children. A group of Indian researchers has now redesigned school bag pack so that it can reduce the load on spine and shoulders of children
An app-driven automated food maker, an automatic dust lifting machine, a dustbin with sound alert, hand-driven waste picking and dumping cart, currency note sterilizing machine for ATMs, wrapper picker, cycle-powered road cleaner, a tiffin box that reminds children to wash hands before eating.
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