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Obtaining Material Safety Data Sheets (MSDS), now more commonly referred to as Safety Data Sheets (SDS), from chemical manufacturers' websites is the recommended approach because it ensures that the information is current and accurate. Manufacturers are responsible for providing up-to-date safety information regarding their products, and their websites typically feature the most recent versions of SDS. This information includes crucial data on handling, storage, hazards, and emergency measures which are essential for ensuring safety in workplaces that deal with hazardous materials.

Using local suppliers might provide access to some SDS; however, there is no guarantee that the sheets are the most current because suppliers may not have the latest updates. Printing from previous records is not advisable as it could result in outdated or inaccurate information, potentially leading to unsafe practices. Online databases can also be useful, but the contents may vary in reliability and not always be comprehensive or up to date. Hence, accessing SDS directly from the manufacturers is the most reliable method for getting the necessary safety information.