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