In the next step, {HEAD ~ portions} of the securing elements are bent out of the plane of the planar element and then connected to {TAIL ~ an insulating plate}, thus forming the sub assembly of securing elements and insulating plate 
In the next step , { HEAD ~ portions } of the securing elements are bent out of the plane of the planar element and then connected to { TAIL ~ an insulating plate } , thus forming the sub assembly of securing elements and insulating plate
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH