(High-rise apartments) may undergo an erection.Logical formLearned from2 sentences. An erection of a gateway may be attributed to a male.Logical formLearned from2 sentences. Penile erection can be during sexual stimulation.Logical formLearned from2 sentences. An erection of nipples can be due to erectile tissue.Logical formLearned from2 sentences. Memorials may undergo an erection.Logical formLearned from2 sentences. A turbine may undergo an erection.Logical formLearned from2 sentences. A facade may undergo an erection.Logical formLearned from2 sentences. Spires may undergo an erection.Logical formLearned from2 sentences. Erection may result during sexual arousal.Logical formLearned from2 sentences. Nipples may undergo an erection.Logical formLearned from2 sentences. Erection may undergo progress.Logical formLearned from2 sentences. Calculations can be for incidence of (erection stresses).Logical formLearned from2 sentences. (Brick buildings) may undergo an erection.Logical formLearned from2 sentences. A (stone monument) may undergo an erection.Logical formLearned from2 sentences. A county may undergo an erection.Logical formLearned from2 sentences.