Question

short hisotrical context of carl von linde work from wikipedia

Answer 1

Carl von Linde (1842–1934) was a German engineer and professor whose late‑19th‑century work translated advances in thermodynamics into practical industrial processes. Working in the era of rapid industrialization, he developed a mechanical refrigeration system (using compressed ammonia) that made large‑scale cooling feasible for breweries and food preservation. He later devised methods for liquefying and separating air (the "Linde process"), which allowed reliable, industrial production of oxygen, nitrogen and other gases. His inventions were widely licensed and led to the founding of companies (later Linde AG) that transformed refrigeration, food storage, chemical manufacturing and medical gas supply. (Summary based on the Wikipedia article about Carl von Linde.)