2.  Wintering house  Cold frames  Greenhouse  Lathe Houses  Hot Beds/caps

3.  First greenhouse – built by roman emperor “ Tiberius C. Nero”  Parts  Eave  Concrete Footings  Ridge  Roof and Side Ventilators  Purlins  Sash Bars  Side and Curtain Walls

4.  Lean to  Even Span  Ridge and Furrow  Quonset  Gothic  Contiguous

5.  Glass  Rigid Plastic  (Fiberglass)  Flexible Plastic  (Polyethylene) Advantages Disadvantages

6.  Wood  Aluminum  Wood and Steel  Aluminum and Steel  Advantages  Disadvantages

7.  Steam Heat  Hot Water Heaters  Forced Hot Air- Propane/Gas furnace  Heating System Solar

8.  Fans and Pads  Shade Cloth

9.  Ventilator  Exhaust Fans  Convection Tubes

10.  Sub Irrigation  Spaghetti System  Spray System  Mist System  Hose

11.  Wood and wire mesh  Corrugated Plastic  Expanded Metal  Concrete blocks and snow fence or wood  Buckets  Hanging bars

12.  Small stones – gravel  Concrete  Sand  Black top  Dirt  Rubber mats