{HEAD ~ One screen} may cooperate with {TAIL ~ another screen} to provide shearing of the tissue specimens 
cooperate with
{ HEAD ~ One screen } may cooperate with { TAIL ~ another screen } to provide shearing of the tissue specimens
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH