An erection can be induced.Logical formLearned from3 sentences. An erection can be simple.Logical formLearned from3 sentences. An erection can be strong.Logical formLearned from3 sentences. A person may awoke with an erection.Logical formLearned from3 sentences. A male may experience an erection.Logical formLearned from3 sentences. An (activity definition) can be such as erection of (foundation forms).Logical formLearned from3 sentences. Stiles may undergo an erection.Logical formLearned from3 sentences. Painful erection may pertain-to a penis.Logical formLearned from3 sentences. A person can be an erection.Logical formLearned from3 sentences. Some details may be involved in an erection of a (pressure enclosure).Logical formLearned from3 sentences. (Erection bridgings) may mean (diagonal bridgings).Logical formLearned from3 sentences. (Tower cranes) may undergo an erection.Logical formLearned from3 sentences. Others may undergo an erection.Logical formLearned from3 sentences. A theory may undergo an erection.Logical formLearned from3 sentences. Shops may undergo an erection.Logical formLearned from3 sentences.