 
			 
			MCQOPTIONS
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				| 1. | The formation of jogs in screw dislocations _________ its motion. Jogs in edge dislocations _________ its motion. | 
| A. | restricts, do not restricts | 
| B. | do not restricts, restricts | 
| C. | restricts, restricts | 
| D. | do not restrict, do not restrict | 
| Answer» B. do not restricts, restricts | |