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Because and copper
Because copper ions have a 2 + charge, they are attracted to the negative cathodes and collect there.
Because of this problem, fixing nails made of stainless steel or copper are recommended, and even these must be protected from the weather.
Because iron is not readily dissolved by molten solder, the plated tip is more durable than a bare copper one, though it will eventually wear out and need replacing.
Because of this, phone companies endeavor to remove load coils on copper loops that can operate without them, and conditioning lines to avoid them through the use of fiber to the neighborhood or node ( FTTN ).
Because the raised letters were made in a complex artisanal process using wet paper pressed against copper wire, the children could not hope to " write " by themselves.
Because of these and other factors, the future of copper production and supply is the subject of much debate, including the concept of Peak copper, analogous to Peak Oil.
Because beryllium copper is non-sparking but physically tough and nonmagnetic, it is used to make tools that can safely be used in environments where there are explosive vapors and gases, such as on oil rigs.
Because of soil resistance, counterpoise systems are often used, consisting of radial networks of copper cables supported several feet above the ground under the antenna, extending out radially from the mast or vertical element.
Because of the low value of copper, large plate money ( plåtmynt ) was issued.
Because of its ease of connection by soldering or clamping, copper is still the most common choice for most light-gauge wires.
Because of soaring metal prices in early 2006, by May of that year the pre-1992 ( 97 % copper ) coins contained 3p worth of copper each.
Because of the lack of volatile copper compounds, copper could not be patterned by the previous techniques of photoresist masking and plasma etching that had been used with great success with aluminium.
Because the last ice age removed the top sediment layer of the soil, the Kola Peninsula is on the surface extremely rich in various ores and minerals, including apatites and nephelines ; copper, nickel, and iron ores ; mica ; kyanites ; ceramic materials, as well as rare earth elements and non-ferrous ores.
Because of the competent host rock, this pit has much steeper sides than other open pit copper mines in the southwest area.
Because the suit's copper circuitry is mounted outside the suit, it is easily disabled by splashing it with water, causing a short circuit.
Because of the extreme gear ratio between starter gear and flywheel ( about 15 or 20: 1 ) it would spin the starter armature at dangerously high speeds, causing an explosion when the centripetal force acting on the copper coils wound in the armature can no longer resist the outward force acting on them.
Because the supply voltage is doubled, a balanced load can tolerate double the voltage drop, allowing quarter-sized conductors to be used ; this uses 3 / 8 the copper of an equivalent single-phase system.
Because of the copper present in hemocyanin, their blood is blue.
Because of a wartime shortage of copper, the massive electromagnetic coils were made with 14, 700 tons of coinage silver from U. S. government vaults at West Point.
Because the sous remained the chief small-change coins, when a new copper coinage was issued for Jersey in 1841, it was based on a penny worth of a shilling, the equivalent of 2 sous.
Because of the lower cost, the bronze and copper metal clays are used by artists more often than the gold and silver metal clays in the American market place.

Because and mining
Because of its size, the value of grazing and mining is considerable.
Because of fuel needs, mining and metallurgy often led to deforestation and city abandonment.
Because Banaba was devastated by phosphate mining, the vast majority of Banabans moved to the island of Rabi in the Fiji Islands in the 1940s where they now number some 5, 000 and enjoy full Fijian citizenship.
Because tailings dams often store toxic chemicals from the mining process, they have an impervious liner to prevent seepage.
Because of this, the economies of the area have historically been centered upon extractive industries such as timber and mining.
Because troop movements in World War II were too fluid, and tunneling too slow, mining warfare was of little use during that conflict.
Because the older formations contained many mineral deposits, they were explored very early on by the mining industry.
Because of his interest in American pioneer history, Knott purchased and restored the real silver mining ghost town of Calico, California in 1951.
Because of the labour shortage in 1943, 1 man in 10 was conscripted to make up the manpower needs of the coal mining industry and Purdon was one of the very first contingent designated for the mines on 14 December 1943, becoming a so-called " Bevin Boy ".
Because of the brittle nature of coal, coal dust can be created during mining, transportation, or by mechanically handling coal.
Because bitumen flows very slowly, if at all, toward producing wells under normal reservoir conditions, the sands must be extracted by strip mining or the oil made to flow into wells by in-situ techniques, which reduce the viscosity by injecting steam, solvents, and / or hot air into the sands.
Because of the dominance of the mining industry, the gender distribution is skewed with 60 percent of adults being males.
Because of the importance of metal mining to the Cornish economy, the Camborne School of Mines ( CSM ) developed as the only specialist hard rock education establishment in the United Kingdom, until the Royal School of Mines was established in 1851.
Because some 80 % of Alberta's oil sands are too far below the surface for standard mining and drilling procedures to access, Husky plans to use Steam Assisted Gravity Drainage technology, by which bitumen is heated with steam to reduce its viscosity.
Because these conditions can be triggered by industrial asbestos, which was also used in taconite mining and processing, the study will attempt to determine what, if any, influence naturally occurring fibrous minerals in taconite may have played.
Because of the valuable fishery in the river and also because of the history of heavy metal mining in the catchment of the river, extensive ecological assessments were made both prior to the construction of the tunnel and subsequently.
Because of the mergers the United Steelworkers signed an agreement with all the unions that represent mining workers in countries where Vale / Inco operate to ”... work together cooperatively and strategically as global partners, to build the bargaining power of workers ” The unions include Confederação Nacional dos Trabalhadores no Setor Minera, SINTICIM, Union syndicale des ouvriers et employés de Nouvelle-Calédonie, Union des Syndicats des Travailleurs Kanak et Exploités, Fagforbundet for Industri og Energi, Construction, Forestry, Mining and Energy Union, and the United Steelworkers.
Because of this, many ( possibly apocryphal ) stories have been told about the blackout-causing effects of mining draglines.
Because of work-exposure to silica dust, silicosis is an occupational hazard to mining, sandblasting, quarry, ceramics and foundry workers, as well as grinders, stone cutters, refractory brick workers, tombstone workers, pottery workers, flint knappers and others.
Because of such heavy logging and mining, wildfires, floods and erosion were a threat.
Because the lake is long and wide ( 90 km by 32 km ) it makes up the eastern half of the Oruro Department, a mining region in southwest Bolivia.
Because of a heavy drinking problem and his inability to adapt to the advent of talkies, Acord's film career faded, and he ended up performing in road shows and mining in Mexico.
Because of the estimated 10 billion tons of mining waste that must be permanently stored in the area, which is an active earthquake zone, and Rio Tinto's environmental track record, which is seen as poor by many environmental advocacy groups, fears have been raised about the potential impact on the Bristol Bay area and its wildlife and residents.
Because of lignite opencast mining, it has been diverted in 2003 near to Inden-Lamersdorf.
Because of ' miners complaint ' as it was known, men who started mining at 16 would be lucky to reach 40.

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