By minimizing the use and production of hazardous substances we can prevent those substances from entering the air, water, soil, and food chain.
(we; can prevent; those substances; from entering the air, water, soil, and food chain) (those substances; from entering; the air, water, soil, and food chain)
we those substances
can prevent from entering
those substances from entering the air, water, soil, and food chain
the air, water, soil, and food chain