The battery 30 is pushed towards the cover 20, and {HEAD ~ each protrusion} 35 moves {TAIL ~ the respective wedge} 254 away from the beam 154, due to the engagement of a given inclined plane 352 and the corresponding wedge 254 
moves
The battery 30 is pushed towards the cover 20 , and { HEAD ~ each protrusion } 35 moves { TAIL ~ the respective wedge } 254 away from the beam 154 , due to the engagement of a given inclined plane 352 and the corresponding wedge 254
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH