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Anonymous Posted 9 years ago
Grammar

Correct and meaningful?

1. The quality of products can improve by using robots.

2. The quality of products can be improved by robots.

3. The quality of products can be improved by using robots.

Which is correct and meaningful? Thanks in advance.

  

Top answer

anonymous Which is correct and meaningful? 2. The quality of products can be improved by robots.

  • anonymous Which is correct and meaningful?
  • 2.
  • The quality of products can be improved by robots.
  • 3.
  • The quality of products can be improved by using robots.
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1 Answers
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anonymousWhich is correct and meaningful?

2. The quality of products can be improved by robots.

3. The quality of products can be improved by using robots.

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