 said top plate including a number of spaced ducts for conveying coolant, said ducts having {TAIL ~ an inlet} on said top plate lower side and an outlet adjacent said top plate spaced {HEAD ~ apertures} 
said top plate including a number of spaced ducts for conveying coolant , said ducts having { TAIL ~ an inlet } on said top plate lower side and an outlet adjacent said top plate spaced { HEAD ~ apertures }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD