The most commonly applied oil heater, is the combination convection and __________ type heater because of its efficiency.

The most commonly applied oil heater, is the combination convection and __________ type heater because of its efficiency.

The most commonly applied oil heater, is the combination convection and __________ type heater because of its efficiency.




a) superheater
b) conduction
c) radiant
d) stationary
e) portable


Answer: C


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