Sentence Correction (SC) | Re: Sophisticated laser-guided land graders can now flatten uneven

Sophisticated laser-guided land graders can now flatten uneven farmland almost perfectly so as not to wasterainwater in runoff down slopingfields.

[color=#ff0000] Another way to solve this problem is ambiguity. Anything that ends with "rainwater" is ambiguous because if you read the non-underlined, it implies that "rainwater in runoff down sloping fields." Makes much more sense to include a clause that rainwater is not wasted in those down sloping fields. Only (B) and (E) do that - it makes
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