Semi-automatic sealing machines are versatile devices widely used in various industries. They are designed to efficiently seal different types of containers, such as plastic and glass bottles, jars, and pouches. These machines often feature digital controls accessible through an easy - to - use touch screen display, allowing for precise calibration and monitoring of the sealing process. For example, some can adjust sealing time, temperature, and pressure according to the specific material and container size. They are suitable for applications like hermetically sealing with aluminium foils in pharmaceutical and food industries to ensure leak - proof and tamper - evident packaging, thus extending product shelf life. Semi - automatic operation means they require some manual intervention, but still offer a balance between efficiency and flexibility, making them an attractive option for many production lines.