There is not enough training time, she did not describe the additional structure and does not show how to calculate the hardness value. By the teacher, see messages from hardness test
There is not enough time to train the teacher did not explain in a more structured and does not show how to calculate the hardness. Teachers see the material hardness.
Time is not enough to make the teacher training does not explain additional structure and not showing how to calculate the stiffness. By the teacher to look from the material hardness testers.