Engineering I see a tourism bird flying in the sky I think about it I had remembered Abhi sir He taught us one day in teaching tree session the tourism bird had a compass in his beak then I thought so he has a compass he do not go wrong side it is a result for build a compass the first earoplane was build by Right brothers how came the idea for them? The idea came one day they saw birds are flying in the sky it is a result for build an earoplane it is an engineering. When we are water the plants help coconut shell is it an engineering?