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solder |
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solderAny of various alloys used when melted for joining metals such as copper, its common alloys (brass and bronze), and tin-plated steel, as used for making food cans. Soft solders (usually alloys of tin and lead, sometimes with added antimony) melt at low temperatures (about 200°C/392°F), and are widely used in the electrical industry for joining copper wires. Hard (or brazing) solders, such as silver solder (an alloy of copper, silver, and zinc), melt at much higher temperatures and form a much stronger joint. Printed circuit boards for computers are assembled by soldering. A necessary preliminary to making any solder joint is thorough cleaning of the surfaces of the metal to be joined (to remove oxide) and the use of a flux (to prevent the heat applied to melt the solder from reoxidizing the metal). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| And when the tinsmiths came, bringing with them all their tools in baskets, she inquired, "Can you straighten out those dents in the Tin Woodman, and bend him back into shape again, and solder him together where he is broken? She is eighteen, and he twenty-two, and they are fairly matched, though some knowing ones, who have all the pedigrees in the world by heart, will have it that the family of the fair Quiteria is better than Camacho's; but no one minds that now-a-days, for wealth can solder a great many flaws. Fill with stewed dried apples; aggravate with cloves, lemon-peel, and slabs of citron; add two portions of New Orleans sugars, then solder on the lid and set in a safe place till it petrifies. |
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