Chapter 4The trial results.We've tried to change the salt water into fresh water by building a water filtration. We invented this devise work because there are a lot of salty water quantity and quantity of fresh water, it is less if we don't think it changes from salt water that rarely does anyone make use of fresh water from the many advantages we will have to use water if which day we're all fresh water, remove the water filtration, we invented it, change from salt water to fresh water, so we figured it made water filtration coming up and it has already made a summary oil filter available.
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