My dad, as an HVAC contractor around the time Montreal protocol was enacted, has insight into. He said he was concerned about getting into the field and worried about the negative inpact he would have with the Ozone hole.
My dad, as an HVAC contractor around the time Montreal protocol was enacted, has insight into. He said he was concerned about getting into the field and worried about the negative inpact he would have with the Ozone hole.