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An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
Sloan Digital Sky Survey image of NGC 3746 alongside other members of Copeland Septet. NGC 3746 is a member of the Copeland Septet which comprises 7 galaxies discovered by Copeland in 1874. [12] The other 6 members are NGC 3748, NGC 3754, NGC 3753, NGC 3750, NGC 3745 and NGC 3751. Together, they are known as Hickson 57 and Arp 320. [13]