A varistor or rectifier having {HEAD ~ the structure} of {TAIL ~ the invention} is improved in these characteristics 
of
A varistor or rectifier having { HEAD ~ the structure } of { TAIL ~ the invention } is improved in these characteristics
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH