(subclass PreservingFood Keeping) | Food.kif 184-184 | 子類 PreservingFood and Keeping |
(subclass CuringFood PreservingFood) | Food.kif 78-78 | 子類 CuringFood and PreservingFood |
(subclass Fermentation PreservingFood) | Food.kif 203-203 | 子類 Fermentation and PreservingFood |