What is manua flag?

A manual flag refers to a flag that is raised or lowered manually, usually by a person using a rope or pulley system. It is often used for signaling purposes or to indicate the opening or closing of a building or event. Manual flags can come in different colors, shapes, and sizes, depending on their purpose. For example, a red flag may indicate danger or a warning, while a green flag may indicate safety or permission. Some manual flags, such as those used in military ceremonies or sporting events, may have intricate designs and be made of high-quality materials.