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Occupational Information Network, a database for job classification and descriptions.
3D illustration. Series of folders of various colors wallets for document classification. Database.
3D illustration. Series of folders of various colors wallets for document classification. Database. Library shelf database.
Groups of multicolored wooden people on a gray background. The concept of market segmentation. Target audience, customer care. Market group of buyers. Customer relationship management. Selective focus
Cardiovascular diseases. Classification of cardiac medications. The best drugs and pills for the treatment of coronary heart disease concept

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