If {HEAD ~ the elongated items} positioned within sleeves 82 carry {TAIL ~ electrical currents}, it may be desirable to shield these items from electromagnetic interference  
carry
If { HEAD ~ the elongated items } positioned within sleeves 82 carry { TAIL ~ electrical currents } , it may be desirable to shield these items from electromagnetic interference
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH