Click this link to view O*NET’s Work Context section for Heating and Air Conditioning Mechanics and Installers. Note that common contexts are listed toward the top, and less common contexts are listed toward the bottom. According to O*NET, what are some common work contexts for Heating and Air Conditioning Mechanics and Installers? Check all that apply.deal with physically aggressive peopleface-to-face discussionsexposed to disease or infectionsfreedom to make decisionstelephoneexposed to contaminants