A sealing device includes a top part forming a bell and a bottom part forming a vat, receiving a container to be sealed with a film in the chamber defined by the top and bottom parts. In some embodiments, a system comprises sorting stations, each of which houses a number of disposable containers. The removal detection point has two opened signal contact points. First product purchase history information about the first product and second product purchase history information about a second product that is associated with the location are retrieved using the first product identification information and the location information. An appropriate raw response is determined then formatted before being transmitted to the communicating entity.