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  2. Breadboard - Wikipedia

    en.wikipedia.org/wiki/Breadboard

    A breadboard, solderless breadboard, or protoboard is a construction base used to build semi-permanent prototypes of electronic circuits. Unlike a perfboard or stripboard , breadboards do not require soldering or destruction of tracks and are hence reusable.

  3. Solvent extraction and electrowinning - Wikipedia

    en.wikipedia.org/wiki/Solvent_extraction_and...

    The copper is extracted from the solvent with strong aqueous acid which then deposits pure copper onto cathodes using an electrolytic procedure (electrowinning). SX/EW processing is best known for its use by the copper industry, where it accounts for 20% of worldwide production, but the technology is also successfully applied to a wide range of ...

  4. Wire wrap - Wikipedia

    en.wikipedia.org/wiki/Wire_wrap

    Close-up of a wire-wrap connection Typical wire wrap construction of Bell System telephone crossbar switch.Some types of connection were soldered. Wire wrap is an electronic component assembly technique that was invented to wire telephone crossbar switches, and later adapted to construct electronic circuit boards.

  5. South Australia Begins Review Of BHP's Major Copper Expansion

    www.aol.com/south-australia-begins-review-bhps...

    The South Australian government has initiated the application and assessment process for BHP's (NYSE:BHP) proposed expansion of its Olympic Dam copper smelter and refinery. If approved, this ...

  6. Soldering - Wikipedia

    en.wikipedia.org/wiki/Soldering

    The electric soldering iron is widely used for hand-soldering, consisting of a heating element in contact with the "iron" (a larger mass of metal, usually copper) which is in contact with the working tip made of copper. Usually, soldering irons can be fitted with a variety of tips, ranging from blunt, to very fine, to chisel heads for hot ...

  7. Idaho abortion trafficking law partly revived by US appeals court

    www.aol.com/news/idaho-abortion-trafficking-law...

    By Brendan Pierson (Reuters) -Idaho can enforce a first-of-its-kind "abortion trafficking" law against those who harbor or transport a minor to get an abortion out of state without parental ...

  8. “Golden Bachelorette”’s Chock Told Friends He 'Was an ...

    www.aol.com/golden-bachelorette-chock-told...

    “They wanted a guy my size and I just kept getting more popular and popular.” Disney/Gilles Mingasson Chock Chapple proposes to Joan Vassos on 'The Golden Bachelorette' season 1

  9. Black oxide - Wikipedia

    en.wikipedia.org/wiki/Black_oxide

    Black oxide for copper, sometimes known by the trade name Ebonol C, converts the copper surface to cupric oxide. For the process to work the surface has to have at least 65% copper; for copper surfaces that have less than 90% copper it must first be pretreated with an activating treatment. The finished coating is chemically stable and very ...

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