用いた could be an inflection of 用いる, with these forms:
- Ta-form. It indicates the past tense of the verb.
Kanji — 1 found
Sentences — 63 found
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jreibun/3194/2
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ナイロンやポリエステルのような合成繊維は
- あんか安価 なためファストファッションでよく
- もち用いられて いる。
Synthetic fibers such as nylon and polyester are often used in fast fashion because of their low cost. — Jreibun