The tire portions 72 are preferably polyurethane since this material has been found to have no additives which leave {TAIL ~ undesirable deposits} on {HEAD ~ the paper} or other print medium 
The tire portions 72 are preferably polyurethane since this material has been found to have no additives which leave { TAIL ~ undesirable deposits } on { HEAD ~ the paper } or other print medium
OTH 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 OTH OTH OTH OTH