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| developed countries / developing countries |
| challenge / challenging |
| lead to illness and death |
| company |
| a unique solution |
| filter |
| network |
| provide |
| location |
| village |
| equipment |
| deliver |
| prepaid card / pay-paid-paid |
| machine |
| an amount of water |
| fill the container |
| feature the latest technology |
| quality |
| available |
| make sense |
| ATM - automatic teller machine |
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