Then, the battery 30 is reversely placed in {TAIL ~ a “tool” mode position} in the cavity 17 of {HEAD ~ the main body} 10 
Then , the battery 30 is reversely placed in { TAIL ~ a “ tool ” mode position } in the cavity 17 of { HEAD ~ the main body } 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH