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A wardrobe, also called armoire or almirah, is a standing closet used for storing clothes. The earliest wardrobe was a chest , and it was not until some degree of luxury was attained in regal palaces and the castles of powerful nobles that separate accommodation was provided for the apparel of the great.
Mill scale is a complex oxide that contains around 70% iron with traces of nonferrous metals and alkaline compounds. Reduced iron powder may be obtained by conversion of mill scale into a single highest oxide i.e. hematite (Fe 2 O 3) followed by reduction with hydrogen.
By 1970, through the Cold war buildup, iron worker wages peaked at $44.80 (2010) ($7.97). Then, following the 1965 new immigration policy and the start of the fourth great migration wave, [ 5 ] wages fell 10% to $40.38 (2010) by 1980 ($15.26), and fell another 20% to $29.90 (2010) per hour ($20.88) by 1990, comparable to the 1950s wage rate.
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In the first, hammering, large lumps of iron of scrap or puddled iron were heated to welding temperature and placed under heavy steel hammers. Repeated blows welded these lumps into one solid plate and shaped it to the required form and dimensions. Hammered iron plate was the armour used in the earliest ironclad vessels, including HMS Warrior ...
The HIsarna ironmaking process is a direct reduced iron process for iron making in which iron ore is processed almost directly into liquid iron ().The process combines two process units, the Cyclone Converter Furnace (CCF) for ore melting and pre-reduction and a Smelting Reduction Vessel (SRV) where the final reduction stage to liquid iron takes place.
At this temperature, iron combines with 4.3% carbon and melts. The liquid iron can be cast into molds, a method far less laborious than individually forging each piece of iron from a bloom. Cast iron is rather brittle and unsuitable for striking implements. It can be decarburized to steel or wrought iron by heating it in air for several days.
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