As {HEAD ~ the lubricating oil} to be used for the working medium containing composition, a known lubricating oil used for {TAIL ~ the heat cycle system} may be used 
As { HEAD ~ the lubricating oil } to be used for the working medium containing composition , a known lubricating oil used for { TAIL ~ the heat cycle system } may be used
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH