{HEAD ~ The print data} controls {TAIL ~ a print mechanism} for dispensing ink, dye, or other pigment as the handheld printer is moved over a print media 
{ HEAD ~ The print data } controls { TAIL ~ a print mechanism } for dispensing ink , dye , or other pigment as the handheld printer is moved over a print media
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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