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