{TAIL ~ The surrounding bodies} and {HEAD ~ the supporting body} are connected by a plurality of welding spots, and the edges are properly sealed 
{ TAIL ~ The surrounding bodies } and { HEAD ~ the supporting body } are connected by a plurality of welding spots , and the edges are properly sealed
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH