Packaging machines, in particular, clippers and other machines for closing packages with bending clamps, clip fasteners and other sealing elements; motor-operated, pneumatic and hydraulic machines and apparatus for binding and removing objects, and for sealing packaging, bags, sacks, skins and foils; conveying apparatus and machines and installations in the nature of conveying apparatus that feature detection, dosing and separation functionalities; machine parts and accessories adapted specifically to the aforementioned goods, in particular, pneumatic and electric drives, punches, dies, knives, voiders and voider plates, plugs, brackets, holders, supports, clamps, clips, hinges, chutes, slabs, pads, plates, baffles, flanges, gaskets, sleeves, rails, rings, shafts, washers, discs, seals, frames, bolts, screws, nuts, pins, handles, rods, spacers, slides, hoses in the nature of pneumatic and hydraulic hoses, motors and actuators, apparatus for feeding loops, apparatus for marking clips, casing brakes, label feeder devices, labelers, string feeding apparatus, conveyors, clip guiding ducts, covers and housings, clip driving mechanism, bearings, label supplies, brackets and suspensions for clip spools, for punches, for dies, for knives, and for voiders and voider plates, bag supplies in the nature of product casings, skins, foils and flexible packages, rollers, chutes, protective grids, control devices, in particular, pneumatic input and output for control devices for machines; machine tables, namely, tables specially adapted to hold powered machinery; vacuum pumps; vacuum containers, vacuum conduits, vacuum valves, vacuum seals, vacuum covers, all of which being parts of machines; hoods being parts of machines; pneumatic and hydraulic drives and controls for machines; control valves for regulating the flow of gases and liquids, being parts of machines; valves being parts of machines; valves being parts of pumps; stands for machines; housings specially adapted for powered machines; drives for motors other than for land vehicles; electric motors for machines; electronic control systems for machines; pneumatic and hydraulic control mechanism for machines; feeders being parts of machines; electronic control systems for machines, in particular with data recording for tracing products