In {TAIL ~ the proposed tachograph}, {HEAD ~ a thermal print head} and a feed roller are spatially separated from one another 
In
In { TAIL ~ the proposed tachograph } , { HEAD ~ a thermal print head } and a feed roller are spatially separated from one another
REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH