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Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by scanners, laser printers and photocopiers, but for many years they were the primary means of reproducing documents for mass distribution. Like the typewriter these machines were children of the second phase of the industrial revolution which started near the end of the 19th century. The second phase of the industrial revolution is also called the Second Industrial Revolution...11.7.2006 20:30

Hi, Here's lists of companies that deal with solar energy and other forms of alternative energy: http://www.kompass.com/valmistava-teollisuus/uusiutuva-energia-laitteet-osat-lisalaitteet/clist/CH_GS_L_3_I_fi_Z_WW_F_53210203_PgP_1_PgB_1_C_37980_Rep_1115_S_1_PgT_ http://www.kingsolar.com/catalog/mfg/index.html http://www.absak.com/library/product-manufacturer-websites http://www.business.com/directory/energy_and_environment/alternative_energy/ And here's links to other lists of companies: http...24.2.2009 02:59

There's a small hole near the tip of the pump nozzle. This hole is connected to a small pipe that travels through the nozzle to the handle. When you fill the gas tank, air flows through the hole into the pipe. When the tank is full, the hole will be below the gasoline level and no air will pass through the pipe. A mechanical switch detects when the flow of air stops and shuts off the gas. http://www.sciencetheatre.org/ask_st/122591.html http://auto.howstuffworks.com/question25.htm3.1.2007 05:00Helsingin kaupunginkirjasto

Hi, There's no final decisions made yet of the type of the nuclear reactors. I browsed through the applications and endorsements by the Government where the following information can be found. First, the application by Fennovoima Oy. There's three proposed options to the type of the reactor: a) European Pressurized Water Reactor (EPR), by Areva, b) KERENA (a type of boiling water reactor), also by Areva, c) Advanced Boiling Water Reactor (ABWR), by Toshiba-Westinghouse. There's several...9.5.2010 22:07

The Finnish Air Force used four Mil-1 copters in the years 1961-67. They are made in Poland, HK-1, HK-2, HK-3 ja HK-4, types SM-1/600 SZ and SM-1/600 W. Destroyer types: VL Viima I ja II VL Pyry De Havilland D.H.100 Vampire Mk.52 6 1954 1965, Britain De Havilland D.H.115 Vampire Trainer Mk.55 9 1953 1965 Britain Folland Gnat Mk.1 13 1958 1974 Britain Fouga CM170 Magister Britain De Havilland Canada DHC-2 Beaver 3 1958 1971 Canada Hunting Percival Pembroke C.Mk.53 Britain...3.11.2008 11:13Helsingin kaupunginkirjasto

This is a very specific technical question and we do not have the competence to provide an answer. However, the following link does contain a description of both long and short orifice plates concerning printing processes: Commercial systems employing the continuous binary ink jet approach have been successfully employed using longer (e.g. page width) orifice plates of lower resolution (e.g. 120 orifices per inch) and shorter (e.g. line height) orifice plates having high resolution (e.g. 300...2.11.2009 13:50Helsingin kaupunginkirjasto

The most commonly used electrical plug in Finland is so called Schuko plug (CEE 7/4). The voltage is 230 V and the power frequency is 50 Hz. Please see the table in address http://www.kropla.com/electric2.htm. Schuko is shown as type F - receptacles will also accept Type C, which is unearthed plug.11.5.2009 18:15

It's not crazy at all, go for it! According to an article in the Sydney Morning Herald, the average age of Australian game players is now 30. The same goes more or less for other countries as well. Also many of the games that are released these days are targeted for adults. In summary, 30 is an excellent age to buy a video game console ;) Here's a link to the article: http://www.smh.com.au/news/digital-life/games/articles/never-too-old-to-play/2008/12/23/1229998532327.html2.2.2009 16:27Helsingin kaupunginkirjasto

Hi! Stripes on the screen are caused by the different refresh rates of the monitor and the tv camera. So when these two are flickering on the different sync the stripes appear. Sometimes i notice when the monitor is set to 100Hz it can be viewed on tv without problem. Monitor 100Hz is double of PAL 50Hz so solves it. For more info go to : http://en.wikipedia.org/wiki/Refresh_rate10.12.2005 22:13

Thank you for your question. The iGS or information Gas Station is the Helsinki City Library's mobile information service station. We use the expression ’gas station’ metaforically, you cannot tank gas at our station, only information. Unfortunately we do not have the kind of specialized information you are looking for. Best regards27.6.2005 13:06Helsingin kaupunginkirjasto

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