When multiple products or packages are used, each product and combination of container and closure must be taken into account. It would be a mistake every time to assume that because one product or package runs smoothly on a certain packaging machine all other products and packages will work the same. Returning to the filling machine, assume that a sixteen-ounce bottle and a one-gallon bottle will both be filled on a machine with diving heads. Though the sixteen-ounce bottle may run perfectly on the filling machine, the gallon bottle may still present issues.

If the gallon bottle is tall, the fill heads may not raise high enough to properly fill the containers. If the gallon bottles are wide, the fill heads may not be able to adjust left and right to accommodate more than a few containers at a time, severely lowering production rates. If one product Telephone Number List runs smoothly through the machine, a thicker product may lead to inconsistent fill levels and plugged fill heads. In reality, these issues are easily solved by providing the manufacturer of the machinery with samples of all products, containers, and closures.

However, even when this is done, the packager should inquire about changeover time to ensure that excessive downtime will not cut into production rates where multiple products or containers are used. The packager should also be aware of the ability to upgrade equipment should additional products or packages be added in the future, which is discussed in more detail below.