{HEAD ~ An object} of the present invention is to provide {TAIL ~ an apparatus}, use of an apparatus and method for defining a safety zone for a vehicle 
is to provide
{ HEAD ~ An object } of the present invention is to provide { TAIL ~ an apparatus } , use of an apparatus and method for defining a safety zone for a vehicle
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH