Although public ownership of land, means of production, and raw materials was advocated, nationalization and the idea of a communist state were rejected.

Although Colonels Majano and Gutiérrez were from the Army ( generally seen as a force for right-wing politics ,) the junta took inspiration from left-wing politics, and initiated a program of land reform and nationalization of the banking, coffee, and sugar industries.

Although forms of brass have been in use since prehistory, its true nature as a copper-zinc alloy was not understood until the post medieval period because the zinc vapor which reacted with copper to make brass was not recognised as a metal.

Although potential wealth in petroleum, nickel, copper, and other natural resources is being explored, the uncertain security situation has prevented meaningful investor interest.

Although it is not known what functioned as a currency to facilitate these exchanges, it is thought that ox-hide shaped ingots of copper, produced in Cyprus may have functioned as a currency.

Although copper and bronze were in use, iron was not yet employed.

Immediately prior to insertion, the clinician will perform a pelvic exam to determine the position of the uterus .< ref name =" Dean 2011 "> p. 150: Mechanism of action Although the precise mechanism of action is not known, currently available IUCs work primarily by preventing sperm from fertilizing ova .< sup > 26 </ sup > IUCs are not abortifacients: they do not interrupt an implanted pregnancy .< sup > 27 </ sup > Pregnancy is prevented by a combination of the " foreign body effect " of the plastic or metal frame and the specific action of the medication ( copper or levonorgestrel ) that is released.

Although neodymium is classed as a " rare earth ", it is no rarer than cobalt, nickel, and copper ore, and is widely distributed in the Earth's crust.

Although steep mountain terrain makes exploitation difficult, mineral surveys have found small deposits of limestone, magnesite, zinc, copper, iron, mica, lead, and cobalt.

Although lead water pipes were displaced by copper when the significance of lead poisoning began to be fully appreciated, lead solder was still used until the 1980s because it was thought that the amount of lead that could leach into water from the solder was negligible from a properly soldered joint.

Although printing news, messages, and other text at a distance is still universal, the dedicated teleprinter tied to a pair of leased copper wires was made functionally obsolete by the fax, personal computer, inkjet printer, broadband, and the Internet.

Although gold telluride minerals were never actually found in the mountains near Telluride, the area's mines were rich in zinc, lead, copper, silver, and ores which contained gold in other forms.

Although stone arrowheads could not penetrate the armour of the Spanish soldier, they were effective as shrapnel against the breast plates of the soldiers ; however, stone and copper maces proved more effective in close combat ; yet it was the sling that proved most effective, because the rocks hurled could readily crush an armoured cavalryman ( caballero ).

Although the vast majority of cold chisels are made of steel, a few are manufactured from beryllium copper, for use in special situations where non-sparking tools are required.

Although the addition of copper improves strength, it also makes these alloys susceptible to corrosion.

Although many American civilizations had developed methods for working soft metals, including gold, silver, bronze, tin and copper, this knowledge was applied mainly to the development of religious and artistic objects, as well as household utensils.

Although the claims over the IPC were ultimately resolved in negotiations between the two governments, disagreements continued over such issues as Peru's claim to 200 mile fishing limit that resulted in the seizure of several US commercial fishing boats and the expropriation of the American copper mining company Cerro de Pasco Corporation.

Although this line is comparatively little used ( the management mentions 6 million tons of freight per year, not indicating the year ), the management expects the line to be fully used in the foreseeable future for oil and copper ore export, and has plans to double-track it.

Although they had no collective name, the various groups of Inuit that made use of native copper for tools have since become known as Copper Inuit and are the same people that Vilhjalmur Stefansson called the Blond Eskimos.

Although primarily farmers, the inhabitants of Los Millares had crucially also learned metal working, especially the smelting and forming of copper, and the site is considered highly important in understanding the transition from the Neolithic to the Bronze Age.

Although copper is found naturally on the coast, it was mostly attained from the highlands in an area about 3 days away.

Although copper miners and other interest groups backed the Coin Coalition on this issue, they were unable to match the influence of Save the Greenback, a rival organization supporting continued dollar bill production.

Although the Kimak had copper coins, most trade was done by barter.

Although most of the construction of these ships was carried out in Bursledon, they were sailed after their launchings to Portsmouth to be sheathed in copper there.

Although Wood produced copper coins, assays showed his coins to be significantly underweight, undersized, and made from inferior materials.

Although the service sector has recently overtaken agriculture as the leading employer of Dominicans ( due principally to growth in tourism and Free Trade Zones ), agriculture remains the most important sector in terms of domestic consumption and is in second place ( behind mining ) in terms of export earnings.

Although many of the mining methods are now redundant, such as hushing and fire-setting, it is Pliny who recorded them for posterity, thereby helping us understand their importance in a modern context.

Although mining had long been practised in Britain ( see Grimes Graves ), the Romans introduced new technical knowledge and large-scale industrial production to revolutionise the industry.

Although the increased use of bank notes and the use of credit during this period did decrease the dependence and value of precious metals, these forms of currency still remained vital to the story of medieval mining.

Although siege warfare had moved out from an urban setting because city walls had become ineffective against modern weapons, trench warfare was nonetheless able to use many of the techniques of siege warfare in its prosecution ( sapping, mining, barrage and, of course, attrition ) but on a much larger scale and on a greatly extended front.

Although many settlements with fewer than 50, 000 inhabitants were satellite towns of Seoul or other large cities or mining communities in northeastern Kangwon Province, which would be considered urban in terms of the living conditions and occupations of the inhabitants, they still were officially classified as rural.

Although fewer than 1, 000 Swazis are directly employed in the mining sector, many workers from Swaziland processed timber from the country's extensive pine populations for mines in South Africa, and around 10, 000 – 15, 000 Swazis were employed in South African mines.

Although mining and precious stones have been human interests throughout the history of civilization, the development of the related sciences of economic geology and mineralogy did not occur until the 18th century.

Although the country is rich in natural resources, the economy is mainly bolstered by agriculture, food processing, lumber, oil, cement, chemicals, mining, basic metals, hydropower, tourism, textile industry, migrant remittances, and the informal economy.

Although it was not as rich as gold finds in Canada and Australia, its consistency made it especially well-suited to industrial mining methods.

Although the mining communities which gave rise to these choirs largely died out in the 1970s and 1980s with the decline of the Welsh coal industry, many of these choirs continue, and are seen as a traditional part of Welsh culture and perform worldwide.

Although the city existed only on paper, the territorial legislature voted on November 28 in favor of Madison as its capital, largely because of its location halfway between the new and growing cities around Milwaukee in the east and the long established strategic post of Prairie du Chien in the west, and between the highly populated lead mining regions in the southwest and Wisconsin's oldest city, Green Bay in the northeast.

Although it is very selective and allows for low dilution, since the most of the ore stays in the stope until mining is completed there is a delayed return on capital investments.

Although the Hueytown area has a history of farming, it has also been a part of both the steel and coal mining history of Jefferson County.

Although there were mines operating in the vicinity, it was primarily designed as a bedroom community for the more affluent citizens of the mining district.

Although the 19th century saw a population boom in Hardyville as mining became more profitable, the beginning of the 20th century saw mining activities move away from the Colorado River and Hardyville.

Although plenty of placer gold was found there, gold-bearing quartz deposits were discovered in 1851 and mining those deposits for gold became the mainstay of the local economy for many years.

Although the trajectory of Silver City's development was to be different from the hundreds of other mining boom towns established during the same period, Captain Bullard himself never lived to see even the beginnings of permanence, as he was killed in a confrontation with Apache raiders less than a year later, on February 23, 1871.

Although mining in the Illinois Valley started in the rivers, gold was soon discovered in gravel beds high up the slopes above the rivers.

Although most gold mining has ceased in the Black Hills and was never done in or near Rapid City, mining of sand and gravel, as well as the raw materials for lime and Portland cement ( including chemical-grade limestone, taconite iron ore, and gypsum ) remains an important part of the economy.

Although the present-day African American population of Newcastle is small, in the 1880s when it was a mining center, Newcastle had the Puget Sound area's largest African American population, greater even than that of Seattle.

Although Roslyn clings to its coal mining and timber harvesting past, its future is expected to be quite different.