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Concrete Block Making Machine - capacity 100 pieces per hour Wind Turbine with Vertical Metal Drum Sails Darrieus Turbine Made of PVC Pipes Horizontal Shaft Turbine With Security Tail Engineer's Level Made of 19 mm Tubing Manual Winnower for Grains Peanut Roaster - Capacity 60kg/hr Windmill Blades - Diameter 1.5 to 3 m Stationary Solar Fish Drier 37 m2 Potery Wheel with 5hp Motor Incubator for Babies - Warm and Humidified Piston lift Pump DTU Pipe Bending Tool Portable Wooden Chicken Coop with Built-In Nesting Boxes Raised Hutch of 3.5 m2 Whater Wheel Diameter 2m Savonius Rotor of 1m Diameter Segner Turbine for 4m Pit Radial Drill made from Auto Parts VentMon T 0.4 In-line Fan Test Device and Monitor