there are a lot of animals in this world but one of them are very useful animals.dog is one of them.in this madran period the dog is very usefull sciencetists use them in the searching of crimes.a machine is fits on the head of the dog and people learns it searching the crimes and othr work.this is a animal that know the ownir.dog is animal that if he ses that a man is new and he does not know this man so he crying very loudly that the onwer stay up and look this person that who is he?in these days people are keeps the dog for his services because it is very important for villagers because the thief are come in the village a lot of so now the people are seaching the very nice and good dogs for home.
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