(Capital standards) can be rigid.Logical formLearned from6 sentences. An armor can be rigid.Logical formLearned from6 sentences. A head can be rigid.Logical formLearned from6 sentences. Fingers can be rigid.Logical formLearned from6 sentences. A machine can be rigid.Logical formLearned from6 sentences. Cocks can be rigid.Logical formLearned from6 sentences. A (quiver bone) can be rigid.Logical formLearned from6 sentences. An argument can be rigid.Logical formLearned from6 sentences. Structures may be considered as rigid bodies.Logical formLearned from6 sentences. A (spine board) can be rigid.Logical formLearned from6 sentences. A substance can be rigid.Logical formLearned from6 sentences. A tissue can be rigid.Logical formLearned from6 sentences. A filter can be rigid.Logical formLearned from6 sentences. A tail can be rigid.Logical formLearned from6 sentences. Styles can be rigid.Logical formLearned from6 sentences.