{HEAD ~ an ultrasonic unit} including a converter, a sonotrode to act on a material web, and {TAIL ~ a booster} to connect the sonotrode to the converter 
including
{ HEAD ~ an ultrasonic unit } including a converter , a sonotrode to act on a material web , and { TAIL ~ a booster } to connect the sonotrode to the converter
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH