{TAIL ~ The present machine} enables a single roofer to distribute the plates and also to secure the plates in position as desired, without {HEAD ~ need} for an additional worker to distribute the plates in a separate operation from the step of securing the plates 
{ TAIL ~ The present machine } enables a single roofer to distribute the plates and also to secure the plates in position as desired , without { HEAD ~ need } for an additional worker to distribute the plates in a separate operation from the step of securing the plates
TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH