{TAIL ~ These elements} are coated with another insulating layer which has {HEAD ~ bubble propagation patterns}, formed from high magnetic permeability material 
{ TAIL ~ These elements } are coated with another insulating layer which has { HEAD ~ bubble propagation patterns } , formed from high magnetic permeability material
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH