A power consumer or {HEAD ~ collector} 49 , for example, a fan blower or {TAIL ~ an onboard battery}, is connected electrically via electrical cables 50 to the roof side contacts 42 
A power consumer or { HEAD ~ collector } 49 , for example , a fan blower or { TAIL ~ an onboard battery } , is connected electrically via electrical cables 50 to the roof side contacts 42
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH