Baths may undergo an erection.Logical formLearned from3 sentences. An erection can be wooden.Logical formLearned from3 sentences. An erection can be in a world-city.Logical formLearned from3 sentences. Framework may undergo an erection.Logical formLearned from3 sentences. A porch may undergo an erection.Logical formLearned from3 sentences. Hoardings may undergo an erection.Logical formLearned from3 sentences. A (school building) may undergo an erection.Logical formLearned from3 sentences. A furnace may undergo an erection.Logical formLearned from3 sentences. Works may undergo an erection.Logical formLearned from3 sentences. Members may undergo an erection.Logical formLearned from3 sentences. An erection may take place.Logical formLearned from3 sentences. A (war memorial) may undergo an erection.Logical formLearned from3 sentences. Lights may undergo an erection.Logical formLearned from3 sentences. A (clock tower) may undergo an erection.Logical formLearned from3 sentences. Erections can be presidential.Logical formLearned from3 sentences.