slab heating furnace
11Thermal mass — Thermal mass, in the most general sense, is any material that has the capacity to store heat. The following discussion pertains to its functional application in ecologically sustainable building construction. When used correctly, it can… …
12Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …
13Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA …
14Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated …
15Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
16Roman glass — objects have been recovered across the Roman Empire in domestic, industrial and funerary contexts. Glass was used primarily for the production of vessels, although mosaic tiles and window glass were also produced. Roman glass production developed …
17Installing building insulation — Due to the variety of building insulation materials available and the various building elements that may require insulation, there are a number of ways of installing building insulation.Where to insulateWhere to insulate depends on where your… …
18Rammed earth — The ruins of a Han Dynasty (202 BCE – 220 CE) Chinese watchtower made of rammed earth at Dunhuang, Gansu province, at the eastern end of the Silk Road …
19metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
20Outdoor cooking — for information on more outdoor techniques, see Grilling and Barbecue. Cooking in the outdoors using heated stone …
