Professor Sang's views only represent his own, not that what Professor Sang said is wrong, but that they cannot accept Professor Sang's views on Reiki.

To be precise, this cannot be different from the conventional sense. This inability is not to accept it, but to be unable in the social environment.

There are generally three representations of the hardness of metals, Brinell hardness (HB), Rockwell hardness (HR), and Vickers hardness (HV). The conversion relationship between these hardness notations is roughly as follows: when HB