Rail cleaning machine - A machine used to clean the track, Dolphins - It uses its brain to create and make social interaction , Dol phins - It has the ability to recognise itself in a mirror , Gutter cleaning robot - It is a battery operated machine to clean debris from gutters. Has a remote control function , Street sweeper machines - It is a machine used to clean roads and large outdoor areas. It can remove both light and heavy dirt and debris , Octopus - It changes its colour and texture according to Its surroundings to protect itself from enemies s, Squirrel - It has a very sharp memory and remembers where it has stored the food, Chimpanzees - It manipulates its environment like humans and uses tools to do certain tasks , Whale - Uses complex sounds to communicate within the group , Parrot - Has a capability to do mimicry and has an excellent memory , Dog - It learns new skills very easily and is quick to respond to human training , Industrial floor sweeper - Great machine to clean industrial floors and dry area with maximum safety , Escalator cleaning machine  - Machine used for quick easy and deep cleaning of escalators , Narendra Modi - Who started SWACH BHARAT MISSION ABHIYAN, Mahatma Gandhi - Whose dream was to see the India clean ,

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