A penetration can be into markets.Logical formLearned from2 sentences. Territorial waters may undergo a penetration.Logical formLearned from2 sentences. Fixed-line telephones may undergo a penetration.Logical formLearned from2 sentences. Organisms may undergo a penetration.Logical formLearned from2 sentences. Enemies may undergo a penetration.Logical formLearned from2 sentences. Penetration can be among households.Logical formLearned from2 sentences. A possibility may pertain-to a penetration.Logical formLearned from2 sentences. An european market may undergo a penetration.Logical formLearned from2 sentences. Mobile communications may undergo (penetration rates).Logical formLearned from2 sentences. A continent may have a penetration.Logical formLearned from2 sentences. A (penetration strike aircraft) can be in service.Logical formLearned from2 sentences. A (telephone penetration) can be constituted-of-or-filled-with some lines.Logical formLearned from2 sentences. An (auto market) may undergo a penetration.Logical formLearned from2 sentences. A (penetration rate) of some percent may climb to some percent.Logical formLearned from2 sentences. A (consumer penetration rate) may pertain-to a country.Logical formLearned from2 sentences.