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copper造句
91. Endless pollution from deep within a mountain side Iron Mountain is riddled with abandoned copper mines. 92. Flexible copper pipes are supplied with plain ends, with solder ring fittings or with tap connectors. 93. From the combined results Thomas's group estimated an average particle size of 100 for the copper metal aggregates. 94. The roof is covered in copper, in keeping with historic accuracy, and flagpoles rise once again on the towers. 95. One, the copper flower, grows in dense violet clumps on the most polluted soils of all. 96. There was a copper kettle boiling on one hob and a china teapot on the other and the stove shone clean. 97. Interference by iron or copper is prevented by the addition of cyanide. 98. Inside, fresh flowers brighten every table and Deco-style light fixtures bathe the room in a soft copper glow. 99. Turquoise, originally considered a mere by-product of copper mining, was vigorously promoted by Waddell's father, B.C. 100. It will be seen on the example artwork that there are several relatively large areas of copper. 101. These small copper alloy balances had an inverted T-shaped beam supported from its centre by a suspension arm. 102. Additionally, falling prices for key commodities, like copper, are keeping a lid on most manufacturing costs. 103. The boiler was like an upright wooden barrel banded with copper. 104. If you have a lot of copper pipe to bend, hire a bending machine. 105. Aside from coal, copper is the state's largest natural resource. 106. Earlier studies on the deposit indicated the copper ore can be treated using conventional methods. 107. Capshaw hurried into the hall and came back with a small copper urn. 108. Zinc, like copper or lead, is poisonous to plants, but some have genes able to deal with it. 109. The Copper Beech Naiads were the most beautiful creatures any of them had ever seen. 110. Inorganic chemistry in particular provided the bulk of new pigments based on chromium, cadmium, cobalt, zinc, copper and arsenic. 111. Hundreds of copper crosses, used as money by the miners, are buried beneath the violet blooms. 112. This applies to, for example, gold, petroleum, copper, iron ore, lead, silver, nickel and zinc. 113. Copper, zinc, arsenic and tungsten are associated with tin in quartz-tourmaline veins. 114. Installation pipes from the meter should be of steel or copper and should be surface-mounted and away from electrical services and appliances. 115. Fig 5. Printed circuit board component layout and full size copper foil master pattern for the Tie Pulser. 116. The industrial age cut its own swathe across the island, and deeply cut marble and copper quarries scar many hillsides.http:///copper.html 117. Adding the copper, which is another metal toxin, only hastened the death of the fish. 118. Gun Metal A copper based alloy including tin which was originally used for casting cannons. 119. First, foreign earnings from copper have been used to purchase shortfalls in indigenous production. 120. Pewter A tin-based alloy mixed with copper and antimony, originally having a lead content.