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Marcus stands near the machines that filter the water.
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Enter 80 coconut-fiber "islands" that host wildlife and filter the water.
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Special provisions have therefore to be made to filter the water efficiently before it is used.
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The bacteria filter the water, then eat up the sludge that's a common byproduct of waste treatment.
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The fish waste provides an organic food source for the plants, and the plants naturally filter the water for the fish.
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Sherri Shepherd: There are things happening like in Flint, Michigan, where the mayor decided to save money and not filter the water.
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A year later, organisers said that tests using underwater "screens" to filter the water had successfully reduced bacteria levels at the venue.
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Barnacles and mussels and fan-worms filtering the water, limpets and winkles eating the weeds.
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He then filtered the water, searching it for life.
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Filtering the water won't make it safe, and fish from the river could be dangerous to eat.
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To Purify Water.- Filterthe water well, and then add about three drops of nitric acid to the pint.
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She never boiled or filtered the water she drank, two precautions which Europeans do not omit without suffering.
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Before long I found myself chanting, " Filter the water and scrub the air down," under my breath.
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Some 2.4 billion people rely on forests for fuel for cooking and filtering the water they drink.
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Rainwater also flows through the park's lawn and wetlands where native vegetation filters the water, while its walkways are made of porous concrete.
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Filtering the water will not make it safe, and fish or shellfish from the river could be dangerous to eat, the health authority said.