S Your new gas furnace may have been installed in one of two. ways, as a direct-vent (2-pipe-Fig. 2) application or as a. non-direct vent (1-pipe-Fig. 3) application. S In a direct-vent (2-pipe) application,your furnace uses air. from outside the home for combustion and ventsflue gas to the. outdoors.
For the biological concept, see Anti-predator adaptation. A defence mechanism is an unconscious psychological mechanism that reduces anxiety arising from unacceptable or potentially harmful stimuli. Sigmund Freud was one of the first proponents of this construct.
A defense mechanism that allows people who aren't comfortable being openly aggressive get what they want under the guise of still trying to please others. They want their way, but they also want everyone to still like them. Jane: It's time to go, we really should get going now. Passive Aggressive Ann: Oh...okay. I just...well okay, I GUESS we can leave now.