A (certification scheme) can be for rough diamonds.Logical formLearned from8 sentences. A national-association may offer certification.Logical formLearned from8 sentences. A certification may pertain-to an agency.Logical formLearned from8 sentences. A certification can be inadequate.Logical formLearned from8 sentences. A certification may undergo requirements.Logical formLearned from8 sentences. Barriers can be to certification.Logical formLearned from8 sentences. A (certification authority) can be recognized.Logical formLearned from8 sentences. A (fitness certification) can be nonprofit.Logical formLearned from8 sentences. A degree may undergo a certification.Logical formLearned from8 sentences. Illness may undergo a certification.Logical formLearned from8 sentences. A (certification scheme) may undergo an implementation.Logical formLearned from8 sentences. Certifications may pertain-to an applicant.Logical formLearned from8 sentences. Results may pertain-to a (certification examination).Logical formLearned from8 sentences. A (provider implementation) may receive certification.Logical formLearned from8 sentences. Services may undergo a certification.Logical formLearned from8 sentences.