Sealing machines can be small supporter. Fits in many places in companies and are always available for a specific closing of bags.
Sealing machines are great supporter if integrated into a semi-automatic process with product feeding and dosing and removal of the finished bag and possibly buffering on a turntable. This can be used to pack large quantities just with one person.
The picture on the right shows a table welder with a vacuum lance to package products in vacuum.