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