{HEAD ~ The magnetic switch} may further include, for example, a first switching contact and {TAIL ~ a second switching contact} 
include
{ HEAD ~ The magnetic switch } may further include , for example , a first switching contact and { TAIL ~ a second switching contact }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL