{HEAD ~ The low frequency disabling shock} can be combined as {TAIL ~ a carrier frequency} with high frequency power 
combined as
{ HEAD ~ The low frequency disabling shock } can be combined as { TAIL ~ a carrier frequency } with high frequency power
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH