Generally, {HEAD ~ the panel} of substrate material 18 is mounted on a table 20, which positions the substrate underneath the opening 13 to form wells in a desired pattern in response to {TAIL ~ movement} of the table, responsive to a control means  
Generally , { HEAD ~ the panel } of substrate material 18 is mounted on a table 20 , which positions the substrate underneath the opening 13 to form wells in a desired pattern in response to { TAIL ~ movement } of the table , responsive to a control means
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH