| 摘要 |
PROBLEM TO BE SOLVED: To provide a training aid that can prepare sources of smell in an easy way, produce smelling substances stable for a long period, enables the smells detected, when they are felt, to be readily expressed in words, and combines substances emanating the same smell.SOLUTION: The smell producing materials are solid aromatics, and when they are used as a set together with so-called odorless materials, to which no smelling substance is added. A combination set of a plurality of doses of different constituent substances is used as the training aid. |
