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Showing posts from November, 2019

Rainwater Harvesting- History of Rainwater Harvesting,current use of Rainwater harvesting,Benefits of Rainwater Harvesting

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Rainwater harvesting  is the accumulation and storage of rainwater for reuse on-site, rather than allowing it to run off.  Rainwater can be collected  from  rivers  or  roofs , and in many places, the water collected is redirected to a deep pit ( well, shaft, or borehole ),  aquifer , a reservoir with percolation, or collected from  dew or fog  with nets or other tools. Its uses include water for gardens,  livestock ,   irrigation , domestic use with proper treatment, indoor heating for houses, etc. The harvested water can also be used as  drinking water , longer-term storage, and for other purposes such as  groundwater recharge . The Need of Water Why collect rainwater? Civilizations, settlements, countries, and empires of the past had basic needs to survive just like we do in the present day. Water, food, and shelter were a continuous struggle to provide, especially in dry climates where water was scarce. But there was a solution and people of the past came up with

How ATM Works

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Introduction : The automated teller machine (ATM) is an automatic banking machine (ABM) which allows customer to complete basic transactions without any help of bank representatives. There are two types of automated teller machine (ATMs). The basic one allows the customer to only draw cash and receive a report of the account balance. Another one is a more complex machine which accepts the deposit, provides credit card payment  facilities and reports account information. It is an electronic device which is used by only bank customers to process account transactions. The users access their account through special type of plastic card that is encoded with user information on a magnetic strip. The strip contains an identification code that is transmitted to the bank’s central computer by modem. The users insert the card into ATMs to access the account and process their account transactions.  The automated teller machine was invented by john shepherd-Barron in year of 1960.