The straight-sealing machine is responsible for sealing the top and bottom of the cardboard boxes with tape, while the corner sealing machine handles the sealing of the four corners. Used together, they create a cross-sealing pattern. This combination of sealing machines is suitable for businesses with small, lightweight boxes that are already packed with products, requiring cross-sealing. Examples include small, medium, and large enterprises in the food, pharmaceutical, tobacco, personal care, toy, and electronics industries.