Drying thermo-sensitive materials involves a unique process where heat is applied to materials inside a vacuum chamber. This method is advantageous because it allows for drying at lower temperatures, reducing the risk of thermal degradation of sensitive materials. The absence of atmospheric pressure in the vacuum also speeds up the drying process and prevents oxidation, making it an efficient and controlled way to remove moisture. This technique is widely used in various industries, including pharmaceuticals, biotechnology, and manufacturing, where preserving the integrity of materials during the drying process is crucial.