Final answer:
A warming blanket is typically covered with a sheet, comforter, or duvet after placing it on the bed to retain heat and protect it from wear.
Step-by-step explanation:
Upon setting up a warming blanket, it is typically covered with a sheet, comforter, or duvet. Covering it helps in maximizing heat retention from the warming blanket, ensuring the bed stays warm. The layer added also aids in the blanket's durability by protecting it from direct wear and tear. > /p>
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