Preferably, if an escrow account is used, {HEAD ~ the escrow period} is established to allow {TAIL ~ the buyer} to receive and inspect the goods 
Preferably , if an escrow account is used , { HEAD ~ the escrow period } is established to allow { TAIL ~ the buyer } to receive and inspect the goods
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH