What condition is indicated by the term 'MT' on a gas cylinder?

The term 'MT' on a gas cylinder denotes that the cylinder is empty. This marking is crucial for safety and operational efficiency, ensuring that users are aware of the contents of the cylinder before use. An empty cylinder poses risks if assumed to contain gas, as it can lead to unexpected delays in operations or accidents if a user tries to operate equipment expecting supply. Recognizing these markings helps in managing gas supplies effectively and preventing potential mishaps in environments where gas use is prevalent. Proper labeling of cylinders is an important safety protocol in various industries that utilize gas cylinders.