How to choose a gas burner

Today it is hard to believe, but for a long time, gas burners so familiar to us, light, compact and easy to use, were practically not used by fans of mountain hikes, and the main consumer of this product was motorists and fans of camping. It was all the fault of the quality of the gas mixture used in the cylinders. In those days, the cylinders were filled with a standard household mixture of propane and butane, which was very capricious when the air temperature dropped.