A (portable planetarium) may undergo an operation.Logical formLearned from2 sentences. A subset may pertain-to a (portable document format).Logical formLearned from2 sentences. A (portable television) may pertain-to a company.Logical formLearned from2 sentences. A (lab portable) can be wet.Logical formLearned from2 sentences. A (lab portable) may be installed in a (parking lot).Logical formLearned from2 sentences. A model may show a (portable player).Logical formLearned from2 sentences. A maker may pertain-to a (portable music player).Logical formLearned from2 sentences. Some percent can be in portables.Logical formLearned from2 sentences. Portables may do duty.Logical formLearned from2 sentences. An avalanche can be constituted-of-or-filled-with portables.Logical formLearned from2 sentences. Interest can be in portables.Logical formLearned from2 sentences. (Portable electronic devices) may undergo a use.Logical formLearned from2 sentences. A growth can be in portables.Logical formLearned from2 sentences. Portables may grow.Logical formLearned from2 sentences. Some submissions can be in (portable document format).Logical formLearned from2 sentences.