How is petrol pumped out in
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With the help of a process called filterisation ?
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BY FUEL NOZZLES
Nozzles are attached to the pump via flexible hoses, allowing them to be placed into the vehicle's filling inlet. The hoses are robust to survive heavy wear and tear, including exposure to weather and being driven over, and are often attached using heavy spring or coil arrangements to provide additional strength. A breakaway valve is also fitted to the hose to allow the nozzle and hose to break off and fuel flow to be stopped in the case a vehicle drives off with the nozzle still in the filler.
The nozzles are usually color-coded to indicate which grade of fuel they dispense, however the color-coding differs between countries or even retailers.
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