Homes may undergo an erection.Logical formLearned from4 sentences. An erection can be hasty.Logical formLearned from4 sentences. Poles may undergo an erection.Logical formLearned from4 sentences. Trouble can be with erections.Logical formLearned from4 sentences. (Steel erection) may undergo a commencement.Logical formLearned from4 sentences. (Steel erection) may undergo a definition.Logical formLearned from4 sentences. (Steel erection activities) may include alteration.Logical formLearned from4 sentences. (Steel erection) may occur.Logical formLearned from4 sentences. A (steel erection standard) may undergo requirements.Logical formLearned from4 sentences. A hazard may be posed to (steel erection employees).Logical formLearned from4 sentences. Stages may pertain-to a (steel erection process).Logical formLearned from4 sentences. Hazards may be associated with (steel erection).Logical formLearned from4 sentences. Erection may bridge.Logical formLearned from4 sentences. An employee may be engaged in a (steel erection activity).Logical formLearned from4 sentences. Employees may be involved in a (telecommunications tower erection industry) by preventing accidents.Logical formLearned from4 sentences.