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 the foundry's iron was probably used to make ammunition and weapons for the Continental Army, no cannons were made.

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 many urged him to run for the Senate seat held by Adlai Stevenson III ( even after Stevenson dropped out of the race ), Anderson had higher sights: the Republican presidential nomination.

While the city is no centre of tourism, it does have various interesting sights and opportunities for recreation.

While the city is no centre of tourism, it does have various interesting sights and opportunities for recreation.

While the Lebel rifle was quite effective at up to 400 meters with the standard Balle D boat-tail bullet ammunition, accuracy at longer distances was impaired by the rifle's diminutive open sights.

While owning the Maple Leafs baseball team, Cooke set his sights on bringing Major League Baseball to Toronto.

Lovers of their fellow-men can be maddening [...] While lecturing abroad he suddenly conceived a resentment of ' sights ' especially ' useless ' sights, such as ruins or tombs.

While bead sights may be acceptable on sporting shotguns, they are best avoided for use on combat shotguns.

While target shooters generally prefer a matte black finish to their sights, to reduce the chance of glare and increase the contrast between the sights and the light bars, black sights don't offer good visibility with dark targets or in low light conditions, such as those often encountered in hunting, military, or self defense situations.

While beginning to distance himself emotionally from Nikki, he sets his sights on an older woman, Liz ( Susan Sarandon ), a sultry cosmetics mogul whom he meets in the company of an older man while driving them around.

While at Waterloo, he came in contact with the apologetic work of InterVarsity Christian Fellowship, and set his sights on a career in academia.

While the Enfield's sights did allow finer range settings, the Springfield's simple leaves were more rugged and were less expensive to produce.

While he is inside, police officers are scanning the windows and lining him up in their guns ' sights.

While white is the coolest summer shade, there are lots of pastel hues along with tintable fabrics that will blend with any wardrobe color.

While it is easy enough to ridicule Hawkins' pronouncement in Pleas Of The Crown from a metaphysical point of view, the concept of the `` oneness '' of a married couple may reflect an abiding belief that the communion between husband and wife is such that their actions are not always to be regarded by the criminal law as if there were no marriage.

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 2-year-olds are still gaining most of the attention at the track, green horses are starting to go a bit, and Jimmy Cruise has several that can really make it.

While individual sportsmen are aware of this situation, too many of our political, social, educational and even religious leaders too often forget it.

While some suppression and some denial are not only necessary but healthy, the worker's clinical knowledge must determine how these defenses are being used, what healthy shifts in defensive adaptation are indicated, and when efforts at bringing about change can be most effectively timed.

While there are many different possibilities for the timing of casework intervention, the experiments recently reported from a variety of traditional settings all point up the importance of an immediate response to the client's initial need for help.

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 this influence is a complex matter, depending upon personality factors in the individual as well as upon his social-class experience, there probably are some general statements about social-class background and educational policy that can be made with a fair degree of truth.

While costs on this order are sometimes separately charged for in residential and commercial rates, in the form of a mere `` service charge '', they are more frequently wholly or partly covered by a minimum charge which entitles the consumer to a very small amount of gas or electricity with no further payment.

While ATP appears to be necessary for the occurrence of contraction, its presence and enzymatic hydrolysis of it by the muscle protein myosin are not the only criteria for contraction.

While there are still many bugs to be ironed out, the technique is fast developing.

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.

Many years later ( on August 3, 1915 ), Lucy Upton wrote Winslow's daughter soon to be graduated from Smith College: `` While I love botany which, after dabbling in for years, I studied according to the methods of that day exactly forty years ago in a summer school, it must be fascinating to take up zoology in the way you are doing.

While patent suits are still among the most complex and expensive forms of litigation, these rules have saved litigants uncounted sums of money.

While details are still to be worked out, Ratcliff said he expects to tell home folks in Dallas why he thinks Berry's proposed constitutional amendment should be rejected.

While availability of mortgage money has been a factor in encouraging apartment construction, the generally high level of prosperity in the past few years plus rising consumer income are among the factors that have encouraged builders to concentrate in the apartment-building field.

While it must be said that these same Protestants have built some new churches during this period, and that religious population shifts have emptied churches, a principal reason for this phenomenon of redundancy is that fewer Protestants are going to church.

While we are filling outer space with scientific successes, for many the `` inner '' space of their soul is an aching void.

While there is general agreement on these six families, there are some points of disagreement among linguists who study Afroasiatic.

While most alphabets have letters composed of lines ( linear writing ), there are also exceptions such as the alphabets used in Braille, fingerspelling, and Morse code.