A volcano gas cooker with oven&grill is a type of stove that is powered by gas, typically propane or butane. It is called a volcano cooker because it has a design that resembles a volcano, with a circular base that widens towards the top, and a central nozzle that releases the gas.The volcano gas cooker is a popular choice for indoor cookers (as well as outdoor \ as it is portable and easy to set up. It is also commonly used in areas where there is limited access to electricity or other types of fuel.The volcano gas cooker typically comes with a built-in regulator that controls the flow of gas and ensures that the flame is consistent and even. It also usually has a heat-resistant surface or grill that can accommodate pots and pans of various sizes.