Orthodoxies can be rigid.Logical formLearned from19 sentences. A procedure can be rigid.Logical formLearned from19 sentences. A conception can be rigid.Logical formLearned from19 sentences. An endoscope can be rigid.Logical formLearned from19 sentences. A core can be rigid.Logical formLearned from19 sentences. A dictatorship can be rigid.Logical formLearned from19 sentences. A method can be rigid.Logical formLearned from19 sentences. (Labor rules) can be rigid.Logical formLearned from19 sentences. A (management style) can be rigid.Logical formLearned from19 sentences. Traditions can be rigid.Logical formLearned from19 sentences. A cage can be rigid.Logical formLearned from18 sentences. Limbs can be rigid.Logical formLearned from18 sentences. A path can be rigid.Logical formLearned from18 sentences. A link can be rigid.Logical formLearned from18 sentences. Substrates can be rigid.Logical formLearned from18 sentences.