(subclass Surfactant Substance) | Mid-level-ontology.kif 8822-8822 | Surfactant は 物質 の subclass では %n |
(subclass Detergent Surfactant) | Mid-level-ontology.kif 8831-8831 | Detergent は Surfactant の subclass では %n |
(subclass Soap Surfactant) | Economy.kif 5965-5965 | Soap は Surfactant の subclass では %n |