{TAIL ~ The waterproof cover} is fixed to the compressor housing by {HEAD ~ a ring shaped fastener}  
{ TAIL ~ The waterproof cover } is fixed to the compressor housing by { HEAD ~ a ring shaped fastener }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH