select the word or phrase that is redundant and can be removed without changing the meaning of the text…

select the word or phrase that is redundant and can be removed without changing the meaning of the text. technology companies in japan are growing vegetables in rooms that were originally intended for manufacturing high - tech equipment at first.
Answer
Brief Explanations:
"at first" is redundant as "originally" already conveys the initial - intended use.
Answer:
at first