It is therefore {HEAD ~ an object} of this invention to overcome {TAIL ~ the above mentioned drawbacks} and to provide an improved rubber boot 
to overcome
It is therefore { HEAD ~ an object } of this invention to overcome { TAIL ~ the above mentioned drawbacks } and to provide an improved rubber boot
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH