At the same time, by means of the nozzle 40, a rinsing fluid, which contains a solvent, is sprayed against {HEAD ~ the underside} of {TAIL ~ the cover} 20 in order to clean the latter 
of
At the same time , by means of the nozzle 40 , a rinsing fluid , which contains a solvent , is sprayed against { HEAD ~ the underside } of { TAIL ~ the cover } 20 in order to clean the latter
OTH OTH OTH OTH OTH 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH