It is important that the connecting area of {TAIL ~ cross arm} 10 is filled with {HEAD ~ the mineral} casting to optimize the vibration damping effect 
It is important that the connecting area of { TAIL ~ cross arm } 10 is filled with { HEAD ~ the mineral } casting to optimize the vibration damping effect
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH