The retrieving member may be positioned near {HEAD ~ a metallic object} and actuated to magnetically retrieve the metallic object and de actuated to release {TAIL ~ the metallic object} 
The retrieving member may be positioned near { HEAD ~ a metallic object } and actuated to magnetically retrieve the metallic object and de actuated to release { TAIL ~ the metallic object }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL