{HEAD ~ A desk} includes {TAIL ~ a compartment} for a silent printer designed to prevent dirt and dust from entering it 
includes
{ HEAD ~ A desk } includes { TAIL ~ a compartment } for a silent printer designed to prevent dirt and dust from entering it
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH