Wall mounted gas water heater, also known as gas water heater, refers to a gas appliance that uses gas as a fuel to transfer heat to the cold water flowing through the heat exchanger through combustion heating to achieve the purpose of preparing hot water
Geophysical survey equipment for groundwater detection is using the resistivity tomography method to get the characteristics of the underground and analyze the underground geological structure. It also can be used in metal and non-metal mine exploration.