A person may make a certification.Logical formLearned from9 sentences. (Certification requirements) can be rigorous.Logical formLearned from9 sentences. Preparation can be for (certification examination).Logical formLearned from9 sentences. A certification can be documented.Logical formLearned from9 sentences. Tests can be for certification.Logical formLearned from9 sentences. A (teacher certification) can be bilingual.Logical formLearned from9 sentences. Goods may undergo a certification.Logical formLearned from9 sentences. (Certification requirements) may pertain-to a state.Logical formLearned from9 sentences. Plants may undergo a certification.Logical formLearned from9 sentences. A (certification system) can be global.Logical formLearned from9 sentences. Certification can be by a company.Logical formLearned from9 sentences. A (board certification) may pertain-to a female.Logical formLearned from9 sentences. Certification can be in a specialty.Logical formLearned from9 sentences. (Reference materials) may undergo a certification.Logical formLearned from9 sentences. A submission may be accompanied by a certification.Logical formLearned from9 sentences.