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