Packaging refers to the materials used to protect, contain, and present products. Primary packaging is the first layer of packaging that comes into direct contact with the product, while secondary packaging is the outer packaging that holds the primary packaging together. Tube fillers are machines used to fill tubes with various products such as creams, gels, ointments, and pastes. These machines are commonly used in the cosmetics, pharmaceutical, and food industries. Tube fillers can be semi-automatic or fully automatic, depending on the production volume and requirements. The primary packaging in this case would be the tube itself, which is filled with the product. The secondary packaging could be a box or carton that holds multiple tubes together for shipping and retail display. Tube fillers are essential for efficiently filling and sealing tubes with products, ensuring consistent and accurate filling levels. They help to maintain product quality, prevent contamination, and improve production efficiency. Overall, tube fillers play a crucial role in the packaging process, ensuring that products are safely and securely packaged for distribution and sale.