In its closed condition, {HEAD ~ the abutment structure} is capable of receiving {TAIL ~ a forcible impulse} by an implement, such as an iron, advancing along the upper surface of the seaming board 
is capable of receiving
In its closed condition , { HEAD ~ the abutment structure } is capable of receiving { TAIL ~ a forcible impulse } by an implement , such as an iron , advancing along the upper surface of the seaming board
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL 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