(X-ray machines) can be portable.Logical formLearned from35 sentences. A (x-ray equipment) can be portable.Logical formLearned from35 sentences. Latrines can be portable.Logical formLearned from35 sentences. A cellular phone can be portable.Logical formLearned from34 sentences. (Fuel cells) can be portable.Logical formLearned from34 sentences. A vacuum can be portable.Logical formLearned from34 sentences. Hardware can be portable.Logical formLearned from34 sentences. An (audio powerhouse) can be portable.Logical formLearned from34 sentences. A portable computer can be powerful.Logical formLearned from34 sentences. A hotspot can be portable.Logical formLearned from34 sentences. Benefits can be portable.Logical formLearned from34 sentences. Meters can be portable.Logical formLearned from33 sentences. (Video devices) can be portable.Logical formLearned from33 sentences. A reader can be portable.Logical formLearned from33 sentences. Portable (music players) may be overheated.Logical formLearned from33 sentences.