l. Slip systems of typical crystals FCC: S.S. (Slip Systems)is (111)<110> at RT (temperature). There are 12 S.S. in all HCP:S.S.{0001}<1120>+{1010}<1120> for metals with large cla for other HCP metals BCC: 110) (0001) for metals with large cla 12}<11151010}+<1120> {123} ( for other HCP metals CsC:{10-100>◆ Ⅱ. Slip systems of typical crystals FCC: S.S. (Slip Systems) is {111} <110> at R.T. (temperature). There are 12 S.S. in all. HCP: S.S. BCC: CsCl: {110}<100> {0001}1120  + {1010}1120  for metals with large c/a for other HCP metals {123} {112} 111 {110}   {1011} {1010} 1120 (0001) +   for metals with large c/a for other HCP metals