Clean Water - Access to Water

Front

accumulate

Back

to add up over time; to increase slowly

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device

Back

an object or piece of equipment that was made for a special purpose

Front

effective

Back

having the result that one wants

Front

harvest

Back

to gather, pick, or collect for use

Front

system

Back

a group of related parts that move or work together

Front

yield

Back

to produce or provide