PACKAGING AND CONDITIONING MACHINES, NAMELY FOR COSMETICS INDUSTRY, PHARMACY INDUSTRY AND FOOD INDUSTRY; MACHINES AND LINES TO CONDITION THE FLUIDS, LIQUID, AT THE STATE PASTY, OILY, VISCOUS, FOAMING, AQUEOUS; DOSING MACHINES, IN LINE NAMELY TO FILL CONTAINERS LIKE BOTTLES OR CANS, OUT OF GLASS OR PLASTIC; MACHINES FOR FILLING, CLOSING AND COMBINED FOR THE FILLING AND THE CLOSING OF CONTAINERS LIKE BOTTLES OR CANS, OUT OF GLASS OR PLASTIC; DOSING MACHINES WITH SEVERAL PUMPS, WITH TWO PUMPS; AUTOMATIC MACHINES TO FILL CONTAINERS OF FLUID, LIKE BOTTLES OR CANS, OF LIQUID, OR BOTTLES; ROTARY MACHINES FOR FILLING, ON CONSTANT LEVEL, NAMELY TO FILL CONTAINERS OF FLUID, LIKE BOTTLES OR CANS, OF LIQUID, OR BOTTLES, INCLUDING AT LEAST A DEVICE OF FILLING LIKE A NOZZLE OF FILLING; FILLING MACHINES WITH CONSTANT LEVEL, BY VACUUM, TO FILL CONTAINERS OF FLUID, LIKE BOTTLES OR CANS, OF LIQUID, OR BOTTLES; LINES OF PACKAGING, AUTOMATIC, SEMI-AUTOMATIC OR MANUAL, INTEGRAL BY MECHANICAL CONNECTION, LIKE SCREWING, CLICK-AND-RATCHET WORK OR DIFFERENTLY, WITH ONE OF THE ABOVE MENTIONED MACHINES; COMPONENTS AND COMPONENTS OF THE DEVICES AND ABOVE-MENTIONED MACHINES