While the use of iron started to become more widespread around 1200 BC, mainly because of interruptions in the trade routes for tin, the metal is much softer than bronze.

While owning steel works, Carnegie had purchased at low cost the most valuable of the iron ore fields around Lake Superior.

While recognising bureaucracy as the most efficient form of organisation and even indispensable for the modern state, Weber also saw it as a threat to individual freedoms and the ongoing bureaucratisation as leading to a " polar night of icy darkness ", in which increasing rationalisation of human life traps individuals in the aforementioned " iron cage " of bureaucratic, rule-based, rational control.

While commercially made slingshots date back to at least 1918, with the introduction of the Zip-Zip, a cast iron model, it was not until the post World War II years saw a surge in the popularity, and legitimacy, of slingshots.

While carbon steel and cast iron ( the most common wok materials ) are induction-compatible metals, induction cooking also requires close contact between the cooking vessel and the induction burner.

While the nutrient composition depends on the species and environmental conditions, the most common components of acerola and their concentration range are as follow: proteins ( 2. 1-8g ), lipids ( 2. 3-8g ), carbohydrates ( 35. 7-78g ), calcium ( 117 mg ), phosphor ( 171 mg ), iron ( 2. 4 mg ), pyridoxine ( 87 mg ), riboflavin ( 0. 7 mg ), thiamine ( 0. 2 mg ), water ( 906-920g ) and dietic fibre ( 30g )

While the first iron ore was likely meteoric iron, and hematite was far easier to smelt, in Africa, where the first evidence of iron metallurgy occurs, limonite is the most prevalent iron ore. Before smelting, as the ore was heated and the water driven off, more and more of the limonite was converted to hematite.

While originally an iron mining town, the area is now known for its downhill skiing resorts, including Big Powderhorn, Blackjack, Indianhead, Mount Zion and Whitecap as well as its cross country skiing at the Wolverine Nordic Trail System.

While little iron or no iron has ever been mined in Madison County, very large deposits of mostly hematite with associated magnetite exist to the west in Iron County.

While in Chambersburg Brown posed as Dr. Isaac Smith, an iron mine developer, and bought and stored weapons under the guise of mining equipment.

While this technically makes these base alloys ternary Fe-C-Si alloys, the principle of cast iron solidification is understood from the binary iron-carbon phase diagram.

While the focus initially remained on ore mining and iron production in the Ruhr region, mechanical engineering became the dominating branch of business in Augsburg and Nuremberg.

While these are fine for blacksmithing iron, special care must be taken when using them to blacksmith steel.

While developed nations saw a decline and re-awakening of interest in blacksmithing, in many developing nations blacksmiths continued doing what blacksmiths have been doing for 3500 years: making and repairing iron and steel tools and hardware for people in their local area.

While the Regulators at various times consisted of dozens of American and Mexican cowboys, the main dozen or so members were known as the " iron clad ", including McCarty, Richard " Dick " Brewer, Frank McNab, Doc Scurlock, Jim French, John Middleton, George Coe, Frank Coe, Jose Chavez y Chavez, Charlie Bowdre, Tom O ' Folliard, Fred Waite ( a Chickasaw ), and Henry Newton Brown.

While working as a ' viewer ' or manager at Wylam's Colliery near Newcastle upon Tyne, he built the first practical steam locomotive which relied simply on the adhesion of iron wheels on iron rails.

While doing work on charged objects, Guthrie discovered that a red-hot iron sphere with a positive charge would lose its charge ( by somehow discharging it into air ).

Stern-mounted rudders are uniformly suspended at the back of the ship in a central position, but the term has historically been found wanting because it does not take into account that the stern rudders were attached to the ship hull in quite a different way: While the European pintle-and-gudgeon rudder was attached to the sternpost by pivoting iron fastenings, the Arabs used instead a system of lashings.

While earlier rudders were mounted on the stern by the way of rudderposts or tackles, the iron hinges allowed for the first time to attach the rudder to the entire length of the sternpost in a really permanent fashion.

While five minutes ago the place had presented a scene of easy revelry, with Gyp Carmer a prominent figure, it was now as somnolent and dull as the day before payday.

While his comrades cocked the trap, that one behaved as if it was some dull maneuver.

While she was struggling to get her skirt down and get on her feet again, Jack ran over, offered her his hand and said, `` Gosh, I'm sorry, Miss Langford.

While he was handling the multi-million-dollar funding operations of the Government he had to resort to borrowing small sums from friends.

While convalescing in his Virginia home he wrote a book recording his prison experiences and escape, entitled: They Shall Not Have Me Published originally in ( Helion's ) English by Dutton & Co. of New York, in 1943, the book was received by the press as a work of astonishing literary power and one of the most realistic accounts of World War 2, from the French side.

While this was under consideration, dauntless as ever Wright set about the building of Taliesin 3.

While the picture was taken, Mr. Miller's disposition to be generous to Mr. Sandburg increased to the point where he advised, ' I won't even charge you the one dollar rental fee ' ''.

While I was sitting at one of the rewrite telephones with my derby and my great beard, Arthur Brisbane whizzed in with some editorial copy in his hand.

While the final combat of the campaign was being worked out at Jonesborough, Thomas, on Sherman's instructions, ordered Slocum, now commanding the Twentieth Corps, to make an effort to occupy Atlanta if he could do so without exposing his bridgehead to a counterattack.

While driving the cow back home the woman was assaulted by a servant maid of Gorton.

While he was at it, the philosopher of the Kremlin contributed an additional assist to the rule of reason by bellowing at those in the west who can't appreciate coexistence thru suicide.

While this was being discussed, we saw the militia to the west of us fanning out and breaking into little clusters of two and three men as they approached the road.

While she was thus engaged, McFeeley questioned her about her whereabouts the previous day, any recollections she had of people hanging around, of overcurious delivery boys or repairmen, of strange cars cruising the neighborhood.

While she was settling the teacart, he went back across the hall to their bedroom, opened one of the suitcases, and took out powdered coffee and sugar.

While the regulations formerly required that the hearing officer's report be placed in the registrant's file, this requirement was eliminated in 1952.

While there are now allegations of the withholding of `` favorable evidence developed at the hearing '' and a denial of a `` full and fair hearing '', no such claim was made by petitioner at any stage of the administrative process.

While Mr. Blatz was putting up the pegboards and starting the workbench, Mr. Crombie told him of this idea about paneling the whole end of the cellar.

`` While Henry Morgan was escorting Miss Vera Green from the church social last Saturday night, a savage dog attacked them and bit Mr. Morgan on the public square ''.

While the interpretations that have been given are inferences only, they gain support from such comments as the following, which was made by one of the Kohnstamm-negative subjects who did not, on the first trial, perceive the tilt illusion.

While the Cold War raged it was easy to blame it all on Yalta.

While the method of interviewing a small number of companies was appealing because of the opportunity it might have furnished to probe fully the reasons and circumstances of a company's practices and opinions, it also involved the risk of paying undue attention to the unique and peculiar problems of just a few individual companies.

While he was in custody his wife divorced him.

While accounts of the progress of the tsunami came in from various points in the Pacific ( Midway reported it was covered with nine feet of water ), the Hawaiian station made its calculations and notified the military services and the police that the first big wave would arrive at Honolulu at 23:30 Greenwich time.

While nowadays we recognize the fact that there are many causes for bleeding at the nose, not long ago a nosebleed was simply that, and treatment had little variation.

While women had always attended ball games in small numbers ( it was the part of a `` dead game sport '' in the early years of the twentieth century to be taken out to the ball park and to root, root, root for the home team ), they had often sat in patient martyrdom, unable even to read the scoreboard, which sometimes seemed to indicate that one team led another by a score of three hundred and eighty to one hundred and fifty-one.