inserting {HEAD ~ a lead} of {TAIL ~ a component} into the plated through hole so as to position the component on the first side of the circuit board; and then 
inserting { HEAD ~ a lead } of { TAIL ~ a component } into the plated through hole so as to position the component on the first side of the circuit board ; and then
OTH 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH