... from a roll of thick PE sheet, and fill honey/jam into each box, and then seal the boxes with ... heats the PE sheet, and then the machine blows the hot and soft PE sheet with high-pressure air in the ... and make the boxes, secondly, the machine fills the honey/jam into each box, thirdly, the machine seals the boxes with ... other similar with jelly, such as, acid milk, fruit jam, ketchup, honey, etc.