A monolith can be rigid.Logical formLearned from7 sentences. Alliances can be rigid.Logical formLearned from7 sentences. A (career path) can be rigid.Logical formLearned from7 sentences. A wand can be rigid.Logical formLearned from7 sentences. A cast can be rigid.Logical formLearned from7 sentences. (Security standards) can be rigid.Logical formLearned from7 sentences. A performance can be rigid.Logical formLearned from7 sentences. A suitcase can be rigid.Logical formLearned from7 sentences. A rigidity of rigid airships can be a disadvantage.Logical formLearned from7 sentences. A country may build a rigid airship.Logical formLearned from7 sentences. A rigid airship can be successful.Logical formLearned from7 sentences. A fixity can be rigid.Logical formLearned from7 sentences. Conditions can be rigid.Logical formLearned from7 sentences. A (salary system) can be rigid.Logical formLearned from7 sentences. Implants can be rigid.Logical formLearned from7 sentences.