In this case, a grain size of {TAIL ~ the granulated blast furnace slag} is preferably within {HEAD ~ a range} of from about 20 to about 200 μm 
In this case , a grain size of { TAIL ~ the granulated blast furnace slag } is preferably within { HEAD ~ a range } of from about 20 to about 200 μm
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH