A cavity can be a fissure.Logical formLearned from2 sentences. Cavities may be filled with air.Logical formLearned from2 sentences. Blood can be in a (chest cavity).Logical formLearned from2 sentences. A free-spectral range may pertain-to a cavity.Logical formLearned from2 sentences. A problem can be with resonant cavities.Logical formLearned from2 sentences. A cavity may have (cavity modes).Logical formLearned from2 sentences. Cavities can be open.Logical formLearned from2 sentences. Access can be to (body cavities).Logical formLearned from2 sentences. Tumors may pertain-to a nasal cavity.Logical formLearned from2 sentences. A (cavity resonator) can be passive.Logical formLearned from2 sentences. A material may be metered into a cavity.Logical formLearned from2 sentences. A cavity may be formed by some punches.Logical formLearned from2 sentences. Energy may be stored in a cavity.Logical formLearned from2 sentences. Cavities can be cryptic.Logical formLearned from2 sentences. A mass can be in a cavity.Logical formLearned from2 sentences.