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take convey transport receive
To prevent internal damage form local overheating To ensure the fuel nozzles are flushed clean To clear the smoke stack To let the waste heat boiler reduce its rate of steam generation
the former the first the latter the last
deformed rusted cracked scaled
consume conduct transmit convey
at the internal urethral orifice at the external orifice of urethra at the membranous part at prostatic part at bulb of urethra
a fire -tube boiler an internal combustion engine an external combustion engine an internal combustion generator
scaled worn deformed rested
boiler heater engine cooler