A father can be rigid.Logical formLearned from4 sentences. (Building blocks) can be rigid.Logical formLearned from4 sentences. Constructs can be rigid.Logical formLearned from4 sentences. An (alloy body) can be rigid.Logical formLearned from4 sentences. Mentalities can be rigid.Logical formLearned from4 sentences. Muscles may go rigid.Logical formLearned from4 sentences. (Speech code) can be rigid.Logical formLearned from4 sentences. Ice can be rigid.Logical formLearned from4 sentences. A mind can be rigid.Logical formLearned from4 sentences. A patriarchal society can be rigid.Logical formLearned from4 sentences. A conformism can be rigid.Logical formLearned from4 sentences. Fundamentalists can be rigid.Logical formLearned from4 sentences. Columns can be rigid.Logical formLearned from4 sentences. A (plastic packaging) can be rigid.Logical formLearned from4 sentences. Moulds can be rigid.Logical formLearned from4 sentences.