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