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