A (quality control) can be rigid.Logical formLearned from11 sentences. Assumptions can be rigid.Logical formLearned from11 sentences. Crampons can be rigid.Logical formLearned from11 sentences. A sleeve can be rigid.Logical formLearned from11 sentences. Inflatables can be rigid.Logical formLearned from11 sentences. Pieces can be rigid.Logical formLearned from11 sentences. Systems can be constituted-of-or-filled-with rigid bodies.Logical formLearned from11 sentences. Instruments can be rigid.Logical formLearned from11 sentences. A (quota system) can be rigid.Logical formLearned from11 sentences. Regimes can be rigid.Logical formLearned from11 sentences. Legs can be rigid.Logical formLearned from11 sentences. A (class hierarchy) can be rigid.Logical formLearned from11 sentences. (Court conventions) can be rigid.Logical formLearned from11 sentences. A monetary policy can be rigid.Logical formLearned from11 sentences. A (labor code) can be rigid.Logical formLearned from11 sentences.