Specimens shall be prepared from full bamboo culms, internode sections, with a height of 100 mm. In the
case of tests on compression, shear and tension, they shall be taken as near to these test pieces as possible;
in the case of bending tests, they shall be taken as near to the place of failure as possible. In every case, they
shall be free from any initial cracks. If shrinkage tests are done independent from any other test, specimens
shall be taken from the lowest section of the culm.