It is very important that a drawing be （） from ambiguities and be subject only to a single interpretation.译文：图纸不应有模棱两可的地方，而只能有一种解释。

It is very important that a drawing be （） from ambiguities and be subject only to a single interpretation.译文：图纸不应有模棱两可的地方，而只能有一种解释。
正确答案：free