- Periodical episodic activities of faults lead to the periodical episodic movement of fluid migration along fault zones.
- The greatest of fault, I shall say, is to be conscious of none.
- Based on the observed stress data, the character and activity of fault zone are analyzed and studied in the paper according to the Coulomb friction criteria.
- The disease shuts the boy off from most of the activities of normal children.
- He directs the activities of the club.
- He partook in the activities of the school.