{HEAD ~ The BIOS clear button} includes {TAIL ~ a body}, a key, and a connecting part 
includes
{ HEAD ~ The BIOS clear button } includes { TAIL ~ a body } , a key , and a connecting part
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH