👉 The term "sealless" refers to a state or condition where an object is completely enclosed by itself. It describes a situation in which an object has no gaps, openings, or holes that allow air to escape or enter through. In other words, it's like a closed box where the only way for air to pass through is through a single opening. For example, imagine a sealed box with no gaps or openings. The box itself is completely enclosed by the box walls, and there are
