Packaging machines for tray packing and shrink wrapping of goods, namely, tray packers, tray loaders, tray formers, case packers, case turners, conveyors and shrink wrap machines; packaging machines which take multiple units of a product and automatically wrap a plastic film around the products; packaging machines which take multiple units of a product and wrap a tray around the products for commercial use; packaging machines that automatically wrap, in plastic film, bundles of newspapers, magazines, books and other printed media; packaging machines that automatically bundle cans or bottles of food or beverage products in a clear or printed polyethylene film, with or without trays; commercial packaging machines which take multiple units of a product, such as bottles, boxes, parts, magazines, and surround the selected number of units with plastic film; packaging machines; food slicing machines; conveyors; carton stacker and collator machines; loading, wrapping and packaging machines; loading, wrapping and packaging machines and equipment, namely, stretch wrap machines; pouch fill and seal systems comprising packaging machines