At this time, attention should be paid so that {HEAD ~ the external leads} 18 are not placed on {TAIL ~ the satin finished region} 
At this time , attention should be paid so that { HEAD ~ the external leads } 18 are not placed on { TAIL ~ the satin finished region }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL