Sieving machine. Rotary drum filter. Sifter - DIY (Do It Yourself) - Homemade from drawings. - YouTube
Good Service Circular Mine Shaker Drum Separator Vibro Sieve Rotating Trommel Screen - China Trommel Screen for Gravel, Vibratory Screen with Eccentric Motor | Made-in-China.com
Organic Waste Rotating Drum Screen Green Waste Trommel Sieve Machine For Recycling