hot air radiation heating system
51Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… …
52balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …
53GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …
54Micro combined heat and power — or micro CHP is an extension of the now well established idea of cogeneration to the single/multi family home or small office building. Contents 1 Overview 2 Micro CHP systems 3 Engine types and technologies …
55art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
56Renewable energy — Burbo Bank Offshore Wind Farm, at the entrance to the River Mersey in North West England …
57Refrigeration — Commercial refrigeration Ice is used to refriger …
58Grill (cooking) — There are multiple varieties of grills, with most falling into one of two categories: gas fueled and charcoal. There is a great debate over the merits of charcoal or gas for use as the cooking method between grillers. Electric indoor grills have… …
59Solar chimney — This article refers to a device for ventilation. For the power generation technology, see Solar updraft tower. A solar chimney often referred to as a thermal chimney is a way of improving the natural ventilation of buildings by using convection… …
60Vaporizer — thumb|right|350px|Vaporization pipe with flame filter 28. Tobacco, cannabis, other herbs or essential oils 36. Flame filter made of a stack of metal screens (5+) or a heat resistant porous materialA vaporizer (or vaporiser) is a device used to… …
