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