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2. Solar thermal energy - Wikipedia

   en.wikipedia.org/wiki/Solar_thermal_energy

   The sun’s free energy can also be used to heat water to fulfil domestic hot water demands, such as the hot water that comes out of taps. Solar thermal water heating systems can provide approximately 50% of a property’s annual hot water demand (depending on the size of the property, its location etc) which in turn can help homeowners make ...

3. Wood drying - Wikipedia

   en.wikipedia.org/wiki/Wood_drying

   This enables a good vacuum kiln to dry very thick wood very quickly. It is possible to dry 12/4 Red Oak fresh off the saw to 7% in 11 days. Since wood is dried with a vapor gradient - vapor pressure to ambient pressure - humidity can be kept very high. Because of this, a good vacuum kiln can dry 4.5" thick White Oak fresh off the saw to 8% in ...

4. Passive solar building design - Wikipedia

   en.wikipedia.org/wiki/Passive_solar_building_design

   Large glass panels, French doors, or sliding glass doors between the building and attached sunspace will maintain an open feeling without the heat loss associated with an open space. A sunspace with a masonry thermal wall will need approximately 0.3 ft 2 of thermal mass wall surface per ft 2 of floor area being heated (0.3 m 2 per m 2 of floor ...

5. List of solar-powered products - Wikipedia

   en.wikipedia.org/wiki/List_of_solar-powered_products

   The following is a list of products powered by sunlight, either directly or through electricity generated by solar panels. Solar air conditioning; Solar balloon; Solar charger. Strawberry Tree; Solar chimney; Solar-powered waste compacting bin; Solar cooker; Solar dryer; Solar-powered fan; Solar furnace; Solar inverter; Solar keyboard; Solar ...

6. Can Solar Panels Be hot? This Artist Thinks So

   www.aol.com/solar-panels-hot-artist-thinks...

   The sun is also represented in the space with 16 of my Sunne lights. Sunne is Old English for sun. One side of the lamp is a solar panel that hangs in front of a window and the other side is a light.

7. Frame and panel - Wikipedia

   en.wikipedia.org/wiki/Frame_and_panel

   Wood will expand and contract across the grain, and a wide panel made of solid wood could change width by a half of an inch, warping the door frame. By allowing the wood panel to float, it can expand and contract without damaging the door. A typical panel would be cut to allow 1/4" (5 mm) between itself and the bottom of the groove in the frame.