Packaging can be regarded as different types. The single item such as a bottle containing soft drink can be regarded as the item that a consumer would purchase known as "primary" packaging. Where as a pack of bottles, shrink wrapped, would be regarded as the transport package used within the distribution chain is known as "secondary" packaging.
Shanklin High speed automatic shrink wrapper/ form filler and Heat Tunnel
Shanklin F1 T7HE Heat Tunnel
Shanklin A23 Heat Sealer Shrink Wrapper with Shanklin T-6XL Shrink Tunnel 240v