• Plastic bag/film seal: the packaging bag of potato chips, nuts, biscuits and other snacks is sealed.

• Bottled food: heat seal aluminum foil or plastic cap for sauce bottles (such as soy sauce, salad dressing), beverage bottles (such as juice, milk).

• Can sealing: Vacuum sealing of metal or glass jars (e.g. canned fruit, meat products).

• Fast food packaging: takeaway boxes, plastic wrap-covered lunch boxes are sealed.