Figure 2

(i) Pose upon blade of \(a\) and \(M\). (ii) Pose upon brick of \(a\) and \(M\). (iii) Pose upon cylinder of \(a\) and \(M\). (iv) Pose upon platelet of \(a\) and \(M\). (v) Pose upon sphere of \(a\) and \(M\).

(i) Pose upon blade of \(a\) and \(M\). (ii) Pose upon brick of \(a\) and \(M\). (iii) Pose upon cylinder of \(a\) and \(M\). (iv) Pose upon platelet of \(a\) and \(M\). (v) Pose upon sphere of \(a\) and \(M\).