In this case, the hot air blower 6 either remains unused, or is used to set {HEAD ~ the adhesiveness} of {TAIL ~ the adhesive substance} to desired values by preliminary drying 
of
In this case , the hot air blower 6 either remains unused , or is used to set { HEAD ~ the adhesiveness } of { TAIL ~ the adhesive substance } to desired values by preliminary drying
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 TAIL TAIL OTH OTH OTH OTH OTH OTH