The study examined the difference in activation by using a container (1cm, 3cm) that was different in height from the other time (3 minutes, 6 minutes, 9 minutes) at the same temperature. The activation time and height of the container do not affect the strength.

Abstract
 1. 서 론
 2. 실험재료
 3. 실험방법 및 결과
 4. 결 론
 참고문헌

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