furnace plants
61Micro 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 …
62Flue gas stack — ] A flue gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air. Flue gases are produced when coal, oil, natural gas, wood or any… …
63Oil shale industry — Stuart oil shale pilot plant (now dismantled) Oil shale industry is an industry of mining and processing of oil shale a fine grained sedimentary rock, containing significant amounts of kerogen (a solid mixture of organic chemical compounds), from …
64Passive solar building design — Elements of passive solar design, shown in a direct gain application …
65East Broad Top Railroad — Infobox rail logo filename= railroad name=East Broad Top Railroad logo size= old gauge= marks= locale=Pennsylvania start year=1873 end year=present gauge=3 ft (914 mm) hq city=Rockhill Furnace, PennsylvaniaInfobox nrhp | name =East Broad Top… …
66Arbed — Infobox Company name = Arbed S.A. type = Public genre = foundation = 1911 founder = location city = location country = Luxembourg location = origins = key people = area served = industry = Steel products = Steel services = revenue = operating… …
67Colton Point State Park — Coordinates: 41°41′59″N 77°27′53″W / 41.69972°N 77.46472°W / 41.69972; 77.46472 …
68Arches National Park — Arches Nationalpark Double O Arch …
69building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
70Control system — For other uses, see Control system (disambiguation). A control system is a device, or set of devices to manage, command, direct or regulate the behavior of other devices or system. There are two common classes of control systems, with many… …
