{HEAD ~ Apparatus} 4, wherein {TAIL ~ said predefined width} of thin lines is a width of one pixel and each point along said line P comprises a distinct pixel 
{ HEAD ~ Apparatus } 4 , wherein { TAIL ~ said predefined width } of thin lines is a width of one pixel and each point along said line P comprises a distinct pixel
HEAD HEAD HEAD HEAD HEAD OTH OTH 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 OTH