The condensate is drained through {HEAD ~ a common outlet port} into {TAIL ~ the atmosphere} or into a drain pipe 
The condensate is drained through { HEAD ~ a common outlet port } into { TAIL ~ the atmosphere } or into a drain pipe
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH