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- Verified to be functional
- Gave an exam
- Trialled
- Examined for quality or reliability
- Kicked the tires of, so to speak
- Proven in the lab
- Now proven
- Tried exam give two poor marks
- Put through trials
- Put into beta
- Made an attempt at
- Proven by trial
- Like students at the end of the semester
- Known to be effective
- Examined for quality