A featherbed is made of feathers contained within a fabric shell that lies on top of a mattress as a mattress topper. The featherbed will normally have elastic straps or even have a fitted sheet on it so that it fits over a mattress and stays in place.
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Engineers often consider the expected load and service life when choosing the appropriate rating Engineers often consider the expected load and service life when choosing the appropriate rating
This reduces energy loss and heat generation, leading to improved efficiency and reduced maintenance costs This reduces energy loss and heat generation, leading to improved efficiency and reduced maintenance costs