2. A piece of cloth which has musty smell
3. A glass jar
4. Rice Whisky
5. Fragrance
6. Stopwatch
7. Water
8. Spray bottle
Methods
Proposal
1.1. Preparation:
1. Bring 3 kinds of vinegar to put it into glass jars.
2. Prepare vinegar 3 types of distilled vinegar, artificial vinegar and wine vinegar.
3. Mix rice whisky with vinegar easy volatilize
4. Test it with musty smell clothes in jars.
1.2. Sampling methods:
1. Test musty smell in a glass jar before to using the spray
2. Bring spray from vinegar which is prepared inject into a glass jar
3. Reckon time 15-30 minute
4. Test musty smell after use spray