Mechanical vibrators being parts of machines for agitation, for sifting, for the polishing of mechanical parts, for cleaning filters for liquids of all kinds, for cleaning filters used in the chemical industry, for the wrapping of sheets, cards, printed matter and stationery items, for laundry machines, for the aging of first casts of cast iron in foundries, for drying up liquid masses, such as chocolate, malt, and soap, with smooth rollers and beating components for laying floor tiles, with mixers and compactors, with sorters, for emptying tanks, for channeling into pipes, decanting, and transporting loose material in granular or powder form or mixtures such as sand, gravel, cement, concrete, propellant powder, flour, colorants, stall food for animals, cereals, plastic waste, fertilizers, and salt, for separating masses such as foundry sand, whether in forms or housings, forage, and products which can be stored in silos; Motor vibrators with electric motors being parts of machines for agitation, for sifting, for the polishing of mechanical parts, for cleaning filters for liquids of all kinds, for cleaning filters used in the chemical industry, for the wrapping of sheets, cards, printed matter and stationery items, for laundry machines, for the aging of first casts of cast iron in foundries, for drying up liquid masses, such as chocolate, malt, and soap, with smooth rollers and beating components for laying floor tiles, with mixers and compactors, with sorters, for emptying tanks, for channeling into pipes, decanting, and transporting loose material in granular or powder form or mixtures such as sand, gravel, cement, concrete, propellant powder, flour, colorants, stall food for animals, cereals, plastic waste, fertilizers, and salt, for separating masses such as foundry sand, whether in forms or housings, forage, and products which can be stored in silos