ATM is automated teller machine.
There are so many advantages of atm-
1. Offer 24/7 service.
2. Reduce the overload of banks.
3. You don't have to carry cash with you.
4. No other one can get access without pin.
5. You can withdrew cash at anytime.
6.ATM I'd installed in many places like airport, hospital, railway station etc.
So if you ever faces an unexpected need for cash than you have probably access ATM. Machine. 

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