Would you say "the number of students that earned sufficient credits" or "the number of students who earned sufficient credits"?
Quite often while I'm looking through research articles, I see sentences that start like this one: The tensile strengths of the composites changed... I generally change strengths to strength in ...
In the following sentence, the verb “are” strikes me as odd. In paragraph 6, it is not clear what are meant by “the front unit” and “the central element”. It seems that “. . . it is not clear ...