The scientists examined different mixtures of refrigerants to make them safer and more eco-friendly. They looked at combining a common refrigerant (R134a) with other substances to lower its environmental impact and reduce flammability. By mixing R134a with compounds like R1270 and R170, they measured how easily the mixtures could catch fire. They found that adding R134a helped decrease the flammability of the other substances. Additionally, they predicted the flammability limits for various combinations using a special method. Comparing how flames spread and their color, they found that mixing these refrigerants affected these properties. Ultimately, they calculated how well these mixed refrigerants worked in cooling systems. This research offers insights to use these refrigerants safely and efficiently.