{HEAD ~ Device} for processing a material web using ultrasound and having {TAIL ~ a support} for the sonotrode 
having
{ HEAD ~ Device } for processing a material web using ultrasound and having { TAIL ~ a support } for the sonotrode
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH