Two levers pivotally mount the pressing roller on a housing which, in turn, is detachably mounted on a support, {HEAD ~ the housing} being extremely flat and bounding {TAIL ~ a chamber} which has an open end 
Two levers pivotally mount the pressing roller on a housing which , in turn , is detachably mounted on a support , { HEAD ~ the housing } being extremely flat and bounding { TAIL ~ a chamber } which has an open end
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 OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH