Packaging machines, shrink film wrapping machines, shrink tunnels and packaging systems composed of packaging machines and shrink film wrapping machines, packing machines, palletising machines, palletising and packing robots, container aligning machines and machines for conveying solids, containers, pallets, and kegs; mechanical and electronic instruments for controlling and for functional control for the aforementioned systems and machines, namely, metal valves, pump control valves and therm...