Chapter 4The trial results. Trial story. Herbal spray air conditioning makes the group explore the effectiveness of herbal spray, air conditioning. After comparing the performance can be seen as follows.Types of herbs. The trial results. No. 1 No. 2 No. 31. Pandan has a slight odor smells a little, no odor.2 Kaffir lime leaves. There is no smell, smells a little, there a little odor.3. There is little lemongrass scent smell a slight odor. From the experiment concluded that air freshener lemon can odor from first spray extraction of chlorophyll from the Kaffir lime because Kaffir lime, while using a shorter period of time, there are also two types of herbs, scents, a powerful odor than the two types of herbs.
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