Critical component, required by law, of safe manufacturing operations as they contain basic information about a chemical or product which helps to ensure the safety and health of the user at all stages of its manufacture, storage,
I think A but I’m not positive
The majority of operas were made around the Orpheus legend. The most famous of these was the earliest performance of Monteverdi's "L'Orfeo." in 1607. Nevertheless, I highly believe the answer to this is B. Orpheus.
