To increase solderability and protect the disk surface, {HEAD ~ the disks} can be plated with {TAIL ~ tin} or an equivalent material 
plated with
To increase solderability and protect the disk surface , { HEAD ~ the disks } can be plated with { TAIL ~ tin } or an equivalent material
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH