Corners can be rigid.Logical formLearned from4 sentences. Forms can be rigid.Logical formLearned from4 sentences. Proscriptions can be rigid.Logical formLearned from4 sentences. Institutions can be rigid.Logical formLearned from4 sentences. A dtd can be rigid.Logical formLearned from4 sentences. A teacher can be rigid.Logical formLearned from4 sentences. (Labor market regulations) can be rigid.Logical formLearned from4 sentences. Boundaries can be rigid.Logical formLearned from4 sentences. Lines can be rigid.Logical formLearned from4 sentences. A socialization can be rigid.Logical formLearned from4 sentences. A method can be rigid.Logical formLearned from4 sentences. (Plastic pipes) can be rigid.Logical formLearned from4 sentences. Rigid bodies may undergo a simulation.Logical formLearned from4 sentences. Persons may demonstrate a creation of models of rigid objects.Logical formLearned from4 sentences. A reliance can be rigid.Logical formLearned from4 sentences.