a hollow body having a predetermined height, said hollow body being located in the opposite end wall that forms said output channel at a predetermined distance from said bottom of said container, said hollow body carrying coolant, substantially free of said lubricating oil, outward from {TAIL ~ the container} when the amount of said received oil and {HEAD ~ coolant} exceed said predetermined volume for holding said received lubricating oil and coolant, said excessive coolant being directed into said cooling tank 
a hollow body having a predetermined height , said hollow body being located in the opposite end wall that forms said output channel at a predetermined distance from said bottom of said container , said hollow body carrying coolant , substantially free of said lubricating oil , outward from { TAIL ~ the container } when the amount of said received oil and { HEAD ~ coolant } exceed said predetermined volume for holding said received lubricating oil and coolant , said excessive coolant being directed into said cooling tank
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