A variety of assortment

Air conditioners who were invented in 1929 worked on an ammonia basis, which was unsafe and delayed the process of developing technology used for cooling. A few years later, the new refrigerant, called Freon, was subjected to synthesizing. After that, the freems that were used by people began to be produced. Now you can buy high -quality freon, which is installed in refrigeration equipment quickly and safely. A variety of assortment can be seen on