Semi-automated packaging machines involve human input at some stage, but they are still much quicker than manual processes. For example, with semi-automatic filling machines, an operator places the containers in the right place and presses a switch.The automatic weighing and packing machine is mainly used for quantitative packaging of a large number of bulk materials to facilitate transportation, sales and use.Packaging machines are used to package products or components. This product area includes equipment that forms, fills, seals, wraps, cleans, and packages at different levels of automation. Packaging machines also include related machinery for sorting, counting, and accumulating. There are many different package types.