A plan can be for an erection.Logical formLearned from3 sentences. (Steel erection standards) can be for construction.Logical formLearned from3 sentences. (Field enforcement personnel) may pertain-to (steel erection standards).Logical formLearned from3 sentences. A span may undergo an erection.Logical formLearned from3 sentences. A camp may undergo an erection.Logical formLearned from3 sentences. Antennas may undergo an erection.Logical formLearned from3 sentences. An organ may undergo an erection.Logical formLearned from3 sentences. An erection can be true.Logical formLearned from3 sentences. A city may undergo an erection.Logical formLearned from3 sentences. A male may give himself an erection.Logical formLearned from3 sentences. Men may achieve an erection.Logical formLearned from3 sentences. Men may maintain erections.Logical formLearned from3 sentences. An (erection plan) can be written.Logical formLearned from3 sentences. (Steel erection activities) may be described in paragraph.Logical formLearned from3 sentences. A part may pertain-to (steel erection activities).Logical formLearned from3 sentences.