IN_SCREW_DISLOCATION,_THE_BURGER‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_VECTOR_LIES___________TO_THE_DISLOCATION_LINE?$#

• A. Perpendicular
• B. Parallel
• C. At an angle
• D. Sideways