Since mid-1982, United States pennies are made of 97. 5 % zinc, coated with 2. 5 % copper.

Since the World War II, copper and plastic piping has replaced galvanized piping for interior drinking water service, but galvanized steel pipes are still used in outdoor applications where mechanical strength is required.

Since even small amounts of lead have been found detrimental to health, lead in plumbing solder was replaced by silver ( food grade applications ) or antimony, with copper often added, and the proportion of tin was increased ( see Lead-free solder.

Since the current-voltage characteristics of the DC SQUID is hysteretic, a shunt resistance, is connected across the junction to eliminate the hysteresis ( in the case of copper oxide based high temperature superconductors the junction's own intrinsic resistance is usually sufficient ).

Since the 19th century, iron, copper, silver, and gold have brought prosperity.

Since copper is a better conductor than aluminium, chips using this technology can have smaller metal components, and use less energy to pass electricity through them.

Since excess marine growth affected the performance of the ship, the Royal Navy decided that it was better to allow the copper to corrode and have the benefit of reduced marine growth, so CP was not used further.

Since it contains high levels of copper, ACQ-treated timber is five times more corrosive to common steel.

Since the Middle Ages, base metal ores were mined in the area of the Siebengebirge, mainly for the production of copper, zinc and lead.

Since A-TEC did not acquire copper mining and smelting complex ( RTB BOR ), Privatization Agency announced new tender for strategic partner for RTB, on 27. 02. 2009.

Since the Middle Ages the town was a centre of gold and copper mining.

Since then a fifth, Miranda, has been found containing estimated resources of 2. 5 millionn tonnes of copper.

Since 2011 the entrance the town has been marked by 4. 5m steel and copper giant sculpture of a meat ant-in a reference to its former junior football team, named the " Mighty Meat Ants ".

Since the 19th century copper has been mined at Springbok and its surrounding towns, while a large mine extracting copper, lead, zinc and silver is located at Aggeneys, 70 miles ( 113 km ) further inland.

Since ancient times, a site along the river has been mined for copper, silver, gold, and other minerals.

Since then, the company has grown through a long series of mergers and acquisitions to place itself among the world leaders in the production of many commodities, including aluminium, iron ore, copper, uranium, coal, and diamonds.

Since antiquity, a site along the Rio Tinto, in the Andalusian Province of Huelva in Spain has been mined for copper, silver, gold, and other minerals.

Since the outer conductor layer is low-impedance copper, and the center is higher impedance steel, the skin effect gives copper-clad RF transmission lines impedance at high AC frequencies similar to that of a solid copper conductor.

Since that time, the integrated circuit industry has moved from aluminium to copper conductors.

Since most of the copper was imported, it is likely that most of the metal objects that were made were likely very small.

Since Ruan Xian was an expert and famous in playing an instrument that looked like the Qin pipa, the instrument was named after him when the copper Qin pipa was found in a tomb during the Tang Dynasty.

Since 1953 however, AES has become a practical and straightforward characterization technique for probing chemical and compositional surface environments and has found applications in metallurgy, gas-phase chemistry, and throughout the microelectronics industry.

Since the construction of Krummhübel's first railway connection in 1895 history was connected with the development of metallurgy industries and with the progress of tourism.

Since then, the improvements in spring metallurgy mentioned above have made broken mainsprings rare.

Since it was founded by Dr. Paul Schwarzkopf in 1952, this event has established itself as a meeting place for the cream of the worldís powder metallurgy experts from the fields of science and industry.

Since late 2008, after relocating to Southern California, Crocker Motorcycle Company has been busy refining all their engineering, tooling, metallurgy and manufacturing techniques with the assistance of some of the best Mold makers, engineers and Aerospace machine shops on the planet.

Since then, elements of other disciplines such as physics, chemistry, biology, metallurgy, engineering, medicine, etc, have found an overlap, resulting in a need to revisit the fundamental ideas behind archaeology.

Since its inception in 1966, NIFFT has earned a reputation of being a premier Institute for imparting technical education, training, research and development and consultancy in the fields of manufacturing, metallurgy & foundry and forge technologies.

Since Rhode Island at that time did not have such sanction, his opinion was not popular.

Since the great flood of these dystopias has appeared only in the last twelve years, it seems fairly reasonable to assume that the chief impetus was the 1949 publication of Nineteen Eighty-Four, an assumption which is supported by the frequent echoes of such details as Room 101, along with education by conditioning from Brave New World, a book to which science-fiction writers may well have returned with new interest after reading the more powerful Orwell dystopia.

Those famous lines of the Greek Anthology with which a fading beauty dedicates her mirror at the shrine of a goddess reveal a wise attitude: `` Venus, take my votive glass, Since I am not what I was, What from this day I shall be, Venus, let me never see ''.

Since it was issued in the spring of 1611, the King James Version has been most generally considered the most poetic and beautiful of all translations of the Bible.

Since she could not act, one part suited her as well as any other, and so she was the first person to offer Mr. Lincoln a glass of water, holding it up to the box, high above her head, to Miss Harris, who had asked for it.

Since ordinary breakfast-table conversation was impossible, it was at least something that they were able to offer Eugene the sugar bowl with their sugar in it, and the plate of bread and butter, and that Eugene could return the pitcher of hot milk to them handle first.

Since his Christ was to be life size, how was Mary to hold him on her lap without the relationship seeming ungainly??

Since the writer had established this democratic procedure in the beginning he had to go along with their decision -- after, of course, pointing out whether he thought their decision was a wise or an unwise one.

Since this type of item was not in the statute when section 381 was enacted in 1954, one cannot say with certainty what effect the enactment of that section should have.

Since writing was practiced in the Aegean before the end of the century, we may hope that the details of tradition will now be occasionally useful.

Since the strength of the Mexicans had been underrated, too small a posse had been collected, and since the deputy had not been provided with search warrants, MacPherson and his men decided it was much wiser to withdraw.

Since experience indicates that effluents from oxidation ponds do not create major problems at these BOD concentrations, the goal for the effluent quality of the accelerated treatment system was the same as from conventional oxidation ponds.

Since the psychiatric interview, like any other interview, depends on communication, it is significant to note that the therapist in this interview was a man of marked skill and long experience.

Since Fogg's was a one-man, one-plane flying service, this meant that he would have to do both trips, flying alone 600 miles a day, under sub-freezing temperature conditions.

Since the 1946 disaster there have been 15 tsunami in the Pacific, but only one was of any consequence.

Since a fall or blow might have caused it, a cold pack was usually first aid.

Since then he had worked at this and that, though some said his main interest was gambling.

Since 1949, the only National League club that got off to a hot start and made a runaway of the race was the '55 Dodger team.

Since Russian was being spoken instead of Spanish, there is no violation of artistry or logic here.

Since the organization was created thirteen years ago, it is obvious that this is not the original company ; ;

Since they did not glance curiously at us once, I guessed that there was a penalty for distraction.

Since 30 June 2012 when the last leap second was added, TAI has been exactly 35 seconds ahead of UTC.