This grip is working with ring crush tester to test the column compression strength.
本夹具在固定蝶形试样上下两端，使之成垂直状，搭配环压试验机可测试竖压强度。
2
For younger children, a dictee to test spelling is marked by pro GREssively deducting points for every error, which can crush the grade down to zero, or even into negative territory.
Will break it if you don't have a hammer, every furnace burning it, every stone roller crush it, it still have what use? He should be able to withstand all the test strengths and qualities.