Size reduction machines and recycling machines, namely, chippers, flakers, knife ring flakers, fine grinding and pulverizing systems, comprising grinders, pulverizers, classifiers, screens, wing beater mills, finest surface layer mills, fiberizers, refiners, bark shredders, drum shredders, rechippers, depithers, splitting mills, granulators, pipe crushers, precision knife mills, profile shredders, turbofiners, thermoforming web mills, hard foam mills, hammer mills, bale breakers, turbo mills, circular beater mills, pin mills, universal mills, plastic chippers, granulators for monofilaments and films, film granulators, jet mills, ball mills, breakers, shredders, opposed jet mills, wet granulators, wet agglomerators, colloid mills, the aforementioned goods for size reduction and recycling of wood, fibrous materials, plastics, chemicals, pharmaceutical products, minerals, food and feedstuff, metals; machines for feeding of size reduction machines, pneumatic feeding systems comprising blowers, cyclones, rotary airlogs; machines for separation of bulk material like wood, chemicals, minerals, food-and feedstuff of various density and size; machines and systems comprised of classifiers, blowers, rotary airlogs for the separation and mechanical sifting, namely dynamic and static microseparators as well as heavy gravity sifters, screening machines as well as disc screens and drum screens as parts of screening machines; machines for the agglomeration of plastics and plastic compounds; machines and systems comprised of blenders, densifiers, granulators, classifiers for agglomeration and for mixing of wood and fibrous materials, food and feedstuff, metals, chemicals, pharmaceutical products and minerals; machines and systems comprised of grinders, pulverizers, classifiers for the production of mineral and metallic powders; machines for coating of mineral flour and installations composed of these machines, mechanical installations for the preparation and size reduction of feed material composed of the aforementioned goods; accessories, namely, feeders, silos, agitators, and spare parts for the aforementioned goods; size reduction tools as parts or accessories for the aforementioned goods, namely knives, hammers, beater ledges and plates, grinding rings, grinding elements, grinding discs, screen rings and screen elements