Functional Design: Principles, Patterns, and Practices (Robert C. Martin Series)

Creative Converting Touch of Color 18 Count Square Paper Lunch Plates, Bermuda Blue

TECHTONGDA Pure Copper Generator with Carbon Brush 1500R/Min 30KW Single-Phase 220V

20000W Vertical Axis Wind Turbine Generator, 12V/24V/48V/220V, 3-Blade Outdoor Windmill Power Kit with Controller for Efficient Renewable Energy Supplementation

Lbxlhr 10000W/12000W Upgraded Wind Vertical Axis Turbine Generator 12V 24V 48V 220V with MPPT Controller Wind Turbine Kit for Hybrid Wind Solar System(12000w,48v)

Thames & Kosmos Wind Power V5.0 STEM Experiment Kit, Build a 3ft-Tall Model Wind Turbine & Explore Clean, Renewable Energy, Optimized for Use Outdoors & Indoors, Experiments & Discovery for Ages 8+

VEVOR 800W Wind Turbine Generator Kit, 12V 3-Blade Power Generator With MPPT Controller, Adjustable Windward Direction & 2.5m/s Start Speed, for Home, Farm, RVs, Boats

VEVOR 500W Wind Turbine Generator, 12V Adjustable 3-Blade Wind Power Generator with MPPT Controller, Suitable for Home, Farm, RVs, Boats

VEVOR 500W Wind Turbine Generator, 12V Wind Turbine Kit, 5-Blade Wind Power Generator with MPPT Controller, Adjustable Windward Direction & 2.5m/s Start Wind Speed, Suitable for Home, Farm, RVs, Boats