The base 10 is still further provided with a power switch 80 corresponding in {HEAD ~ location} to {TAIL ~ the protective cover} 70 
The base 10 is still further provided with a power switch 80 corresponding in { HEAD ~ location } to { TAIL ~ the protective cover } 70
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH