Gas detection is the process of identifying the presence of harmful gases in the environment. This is crucial for ensuring safety in various settings, such as industrial workplaces, laboratories, and homes. Gas detectors can sense specific gases, including carbon monoxide, methane, and hydrogen sulfide, and alert users to dangerous levels. These devices work by using sensors that react to the target gas, producing an audible alarm or visual signal when concentrations exceed safe limits. Regular maintenance and calibration of gas detection systems are essential to ensure their accuracy and reliability in protecting people and property from potential hazards.