: Modern refrigeration quizzes and systems prioritize using "green" refrigerants that have no chlorine or fluorine to prevent ozone depletion and reduce greenhouse gas emissions.
a) R134a b) R449A c) R452A d) R12
Regarding "good features" or key technical aspects often tested or valued in this field, here are the essential elements: 1. High Sensitivity to Environmental Factors qcm du froid