{"id":3223,"date":"2023-03-10T07:23:53","date_gmt":"2023-03-10T07:23:53","guid":{"rendered":"https:\/\/3.212.105.250\/?p=3223"},"modified":"2025-01-17T20:58:21","modified_gmt":"2025-01-18T02:58:21","slug":"peirianwyr-amddiffyn-cathodig","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2023\/03\/10\/peirianwyr-amddiffyn-cathodig\/","title":{"rendered":"Peirianwyr Amddiffyn Cathodig"},"content":{"rendered":"<p><a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/services\/cyrydiad\/amddiffyniad-cathodig\/\">Amddiffyniad cathodig<\/a>\u00a0Mae (CP) yn dechneg a ddefnyddir i atal cyrydiad ar arwynebau metel trwy wneud yr anod metel a chyflwyno catod, sy&#039;n denu&#039;r llif electronau i ffwrdd o&#039;r metel, gan atal cyrydiad felly. Dyma weithwyr proffesiynol sydd wedi&#039;u hyfforddi i ddylunio, gosod a chynnal systemau amddiffyn cathodig ar gyfer amrywiol strwythurau, megis piblinellau, cyfleusterau alltraeth a thanciau. Gellir meddwl am faes peirianneg amddiffyn cathodig yn bennaf fel hybrid rhwng peirianwyr trydanol a pheirianwyr cemegol. Wedi&#039;r cyfan, cymhwyso amddiffyniad cathodig yw&#039;r broses o reoli cell electrogemegol. Gall peirianwyr trydanol ragweld, modelu a chymhwyso&#039;r cerrynt trydanol angenrheidiol yn gywir i&#039;r strwythur sydd angen ei amddiffyn. Gall peirianwyr cemegol ragweld a modelu cemeg arwyneb yn gywir.<\/p>\n<p>Gall mathau eraill o beirianwyr gynorthwyo mewn gwahanol ffyrdd, fel peiriannydd mecanyddol yn cynorthwyo gydag erydiad neu beiriannydd sifil <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/meysydd-ymgynghori\/cyrydiad\/arolygon-potensial-amddiffyn-cathodig\/asesiad-uniongyrchol\/'>asesu cryfder sy&#039;n weddill yn y strwythur ar \u00f4l cyrydiad<\/a> wedi digwydd.<\/p>\n<p>Mae amddiffyniad cathodig yn hanfodol mewn diwydiannau fel olew a nwy, morol, ac adeiladu, lle mae strwythurau metel yn agored i amgylchedd cyrydol. Yn yr erthygl hon, byddwn yn archwilio r\u00f4l a chyfrifoldebau peiriannydd amddiffyn cathodig, technegau atal cyrydiad, dylunio a gweithredu systemau amddiffyn cathodig, monitro a chynnal systemau amddiffyn cathodig, a dyfodol peirianneg amddiffyn cathodig.<\/p>\n<blockquote><p>Gellir meddwl am faes peirianneg amddiffyn cathodig yn bennaf fel hybrid rhwng\u00a0<strong>peirianwyr trydanol<\/strong>\u00a0a\u00a0<strong>peirianwyr cemegol<\/strong>.<\/p><\/blockquote>\n<h2>R\u00f4l a Chyfrifoldebau Peiriannydd Amddiffyn Cathodig<\/h2>\n<p>Mae peirianwyr amddiffyn cathodig yn sicrhau bod strwythurau metel wedi&#039;u hamddiffyn yn ddigonol rhag cyrydiad. Maent yn dylunio ac yn gweithredu systemau amddiffyn cathodig sy&#039;n defnyddio egwyddorion electrocemegol i atal cyrydiad. Mae prif gyfrifoldebau peirianwyr amddiffyn cathodig yn cynnwys y canlynol:<\/p>\n<ul>\n<li>Perfformio\u00a0<a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/services\/cyrydiad\/\">Dadansoddiad Cyrydedd Pridd<\/a>\u00a0yn ystod y cyfnod cynllunio<\/li>\n<li><a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/services\/cyrydiad\/arolygon-potensial-amddiffyn-cathodig\/\">Cynnal arolygon safle<\/a>\u00a0a gwerthuso risgiau cyrydiad<\/li>\n<li><a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/services\/cyrydiad\/dyluniad-amddiffyn-cathodig\/\">Dylunio amddiffyniad cathodig<\/a>\u00a0systemau sy&#039;n bodloni safonau&#039;r diwydiant<\/li>\n<li>Paratoi cynlluniau prosiect ac amcangyfrifon cost<\/li>\n<li>Goruchwylio gosod a gweithredu systemau amddiffyn cathodig<\/li>\n<li>Cynnal profion ac archwiliadau i sicrhau bod y systemau&#039;n gweithredu&#039;n gywir<\/li>\n<li>Darparu argymhellion ar gyfer cynnal a chadw ac atgyweirio systemau amddiffyn cathodig<\/li>\n<li>Darparu cymorth technegol i dimau prosiect a chleientiaid<\/li>\n<li>Paratoi adroddiadau a dogfennaeth sy&#039;n ymwneud \u00e2 systemau amddiffyn cathodig<\/li>\n<\/ul>\n<div id=\"attachment_1887\" class=\"wp-caption alignnone\">\n<img decoding=\"async\" class=\"alignnone wp-image-3897 size-full\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Pipe-Pig.jpg\" alt=\"Mochyn Pipe\" width=\"768\" height=\"432\" srcset=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Pipe-Pig.jpg 768w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Pipe-Pig-300x169.jpg 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\n<p id=\"caption-attachment-1887\" class=\"wp-caption-text\">Piblinell\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Pigging\" target=\"_blank\" rel=\"noopener\">Mochyn<\/a>\u00a0bod yn barod i asesu cyrydiad mewn piblinell<\/p>\n<\/div>\n<h2>Technegau Atal a Rheoli Cyrydiad<\/h2>\n<p>Mae amddiffyniad cathodig yn un o&#039;r technegau mwyaf effeithiol ar gyfer <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2020\/12\/11\/sut-i-atal-cyrydiad-hollt\/'>atal cyrydiad<\/a>Mae technegau atal a rheoli cyrydiad eraill y gall peirianwyr amddiffyn cathodig eu defnyddio yn cynnwys:<\/p>\n<ul>\n<li>Gorchuddion a phaentiau: Rhoi paentiau a gorchuddion ar arwynebau metel i&#039;w hamddiffyn rhag yr amgylchedd<\/li>\n<li>Atalyddion cyrydiad: Defnyddio cemegau sy&#039;n atal y broses cyrydiad<\/li>\n<li>Dewis deunyddiau: Dewis deunyddiau sy&#039;n gwrthsefyll cyrydiad<\/li>\n<li>Rheoli amgylcheddol: Rheoli&#039;r amgylchedd i leihau dod i gysylltiad ag asiantau cyrydol<\/li>\n<li>Atchwanegiadau amddiffyniad cathodig: Mae dulliau ychwanegol i wella amddiffyniad cathodig yn cynnwys mwy o amddiffyniad cathodig cerrynt argraffedig neu anod aberthol, haenau, gwifrau bondio, gwrthyddion bondio, a thariannau.<\/li>\n<\/ul>\n<h2>Cymwysterau Peiriannydd Amddiffyniad Cathodig<\/h2>\n<h3>Gofynion ar gyfer Peiriannydd CP<\/h3>\n<blockquote><p>Er mwyn dylunio system ar gyfer adeiladu neu gynnal unrhyw arolygon i&#039;w defnyddio gan eraill, rhaid i&#039;r person fod yn\u00a0<a href=\"https:\/\/www.nspe.org\/resources\/licensure\/what-pe\" target=\"_blank\" rel=\"noopener\">peiriannydd proffesiynol trwyddedig<\/a>\u00a0yn y dalaith bydd y gwaith adeiladu neu&#039;r arolygon yn digwydd neu&#039;n cael eu goruchwylio gan beiriannydd proffesiynol\u2026<\/p><\/blockquote>\n<p>Wrth chwilio am beiriannydd, mae angen ychydig o bethau:<\/p>\n<ul>\n<li>Er mwyn dylunio system ar gyfer adeiladu, rhaid i&#039;r peiriannydd fod yn\u00a0<a href=\"https:\/\/www.nspe.org\/resources\/licensure\/what-pe\" target=\"_blank\" rel=\"noopener\">peiriannydd proffesiynol trwyddedig<\/a>\u00a0yn y dalaith y bydd yr adeiladu neu&#039;r arolygon yn digwydd. Dyma&#039;r cymhwyster unigol pwysicaf o unrhyw ymgynghori <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2022\/08\/11\/pam-mae-cyflogi-peiriannydd-ardystiedig-nace-yn-bwysig\/'>peiriannydd rydych chi&#039;n ei gyflogi<\/a>Mae hwn yn ofyniad cyfreithiol ym mhob talaith. Mae unrhyw beiriannydd sy&#039;n dylunio system heb drwydded yn destun dirwyon, ac efallai y bydd yn rhaid i beiriannydd trwyddedig ailasesu&#039;r system, proses gostus ac amser-gymerol iawn. Mae&#039;r drwydded hon yn sicrhau bod y peiriannydd yn sefyll y tu \u00f4l i&#039;w waith, ac yn barod i roi ei enw ar weithrediad y system.<\/li>\n<li>Yn benodol, dylai peirianwyr amddiffyn cathodig fod wedi astudio mewn maes cysylltiedig a bod \u00e2 thrwydded yn y maes hwnnw, fel Peirianneg Drydanol neu Beirianneg Gemegol. Mae amddiffyniad cathodig yn rheoli cell electrogemegol; mae graddedigion peirianneg drydanol a chemegol coleg sydd \u00e2&#039;r profiad cywir yn y diwydiant yn y sefyllfa orau i&#039;w dylunio a&#039;u datrys.<\/li>\n<li>Os nad yw&#039;r peiriannydd amddiffyn cathodig wedi&#039;i drwyddedu, rhaid iddo gael ei oruchwylio&#039;n uniongyrchol gan beiriannydd proffesiynol trwyddedig sy&#039;n gyfrifol am ei waith. Rhaid i&#039;r person hwn fod yn oruchwyliwr iddo yn yr un cwmni. Yn ddelfrydol, bydd y peiriannydd goruchwylio yn ymweld \u00e2&#039;r safle i archwilio a gwirio bod y gwaith yn cael ei wneud yn gywir.<\/li>\n<li>Dylai&#039;r cwmni y mae&#039;r Peiriannydd Amddiffyn Cathodig yn gweithio iddo fod \u00e2 thrwydded gyda&#039;r bwrdd peirianneg yn y dalaith lle bydd yr adeiladu neu&#039;r arolygon yn digwydd. Mae&#039;r rhan fwyaf o daleithiau yn ei gwneud yn ofynnol i gwmn\u00efau gofrestru gyda bwrdd peirianneg eu talaith, ond nid yw pob un yn ei gwneud yn ofynnol.<\/li>\n<\/ul>\n<h3>Cymwysterau ychwanegol da ar gyfer Peiriannydd CP<\/h3>\n<p>Mae yna hefyd ychydig o bethau i edrych amdanynt i sicrhau bod y peiriannydd wedi&#039;i hyfforddi i safonau&#039;r diwydiant:<\/p>\n<ul>\n<li>Ardystiad fel\u00a0<a href=\"https:\/\/www.ampp.org\/education\/education-resources\/courses-by-program\/cathodic-protection\/cp-specialist\" target=\"_blank\" rel=\"noopener\">AMPP CP4 (Arbenigwr Amddiffyniad Cathodig).<\/a>\u00a0 Dyma&#039;r ardystiad uchaf gan AMPP ar gyfer peiriannydd amddiffyn cathodig. Er nad yw&#039;n disodli trwyddedu fel peiriannydd proffesiynol, mae&#039;n nodwedd dda o berson sy&#039;n deall dulliau amddiffyn cathodig yn ddwfn.<\/li>\n<li>Ardystiad fel\u00a0<a href=\"https:\/\/www.ampp.org\/education\/education-resources\/courses-by-program\/cathodic-protection\/cp-technologist\" target=\"_blank\" rel=\"noopener\">AMPP CP3 (Technolegydd Amddiffyn Cathodig).<\/a>\u00a0Er nad yw mor drylwyr \u00e2 CP4, gall yr ardystiad CP3 eich sicrhau bod gan yr unigolyn ddigon o ddealltwriaeth i ddylunio a gweithredu system amddiffyn cathodig effeithiol.<\/li>\n<li>Y graddau isaf o ardystio (<a href=\"https:\/\/www.ampp.org\/education\/education-resources\/courses-by-program\/cathodic-protection\/cp-technician\" target=\"_blank\" rel=\"noopener\">CP2<\/a>) a (CP1) yn bennaf ar gyfer unigolion a fydd yn cynnal asesiadau maes, casglu data, neu dasgau tebyg eraill dan oruchwyliaeth peiriannydd proffesiynol.<\/li>\n<\/ul>\n<p>Er nad oes eu hangen yn benodol mewn unrhyw awdurdodaeth, mae&#039;r cymwysterau a&#039;r hyfforddiant y mae ardystiadau CP4 a CP3 yn eu sicrhau yn eich helpu i benderfynu a oes gan beiriannydd yr hyfforddiant a&#039;r cefndir i fynd i&#039;r afael \u00e2 gosodiadau a phroblemau amddiffyn cathodig.<\/p>\n<h3>Cymwysterau Cwmni Peirianneg CP<\/h3>\n<p>Dylai&#039;r cwmni rydych chi&#039;n edrych arno fod \u00e2 hanes llwyddiannus, gan gynnwys:<\/p>\n<ul>\n<li>Dim neu ychydig iawn o anafiadau ar y safle sy&#039;n ymwneud \u00e2 thorri diogelwch, torri rheolau OSHA, neu reolau gweithredu&#039;r safle.<\/li>\n<li>Cwmni Peirianneg Trwyddedig<\/li>\n<li>Dylai&#039;r cwmni fod wedi&#039;i yswirio i lefel resymol, gan gynnwys atebolrwydd proffesiynol am unrhyw ddyluniadau a gynhyrchir ganddynt.<\/li>\n<li>Dylai&#039;r cwmni gael cyfeiriadau rhagorol ar draws sawl diwydiant.<\/li>\n<li>Dylai&#039;r cwmni allu darparu deunyddiau a dulliau gosod.<\/li>\n<li>Dylai&#039;r cwmni fod yn barod i ddarparu hyfforddiant a chymorth yn y maes os yw&#039;r Prif Gontractwr neu&#039;r cwsmer yn dymuno cyflawni unrhyw ran o&#039;r gwaith gosod.<\/li>\n<\/ul>\n<div id=\"attachment_54020\" class=\"wp-caption alignnone\">\n<img decoding=\"async\" class=\"alignnone wp-image-3898 size-full\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/CP-Bond-Box.jpg\" alt=\"Blwch Bond CP\" width=\"864\" height=\"650\" srcset=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/CP-Bond-Box.jpg 864w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/CP-Bond-Box-300x226.jpg 300w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/CP-Bond-Box-768x578.jpg 768w\" sizes=\"(max-width: 864px) 100vw, 864px\" \/>\n<p id=\"caption-attachment-54020\" class=\"wp-caption-text\">Blwch Bond CP wedi&#039;i osod gan Dreiym Engineering<\/p>\n<\/div>\n<h2>Dylunio a Gweithredu Systemau CP<\/h2>\n<p>Mae dylunio a gweithredu systemau amddiffyn cathodig yn hanfodol ar gyfer sicrhau amddiffyniad hirdymor strwythurau metel. Mae peirianwyr amddiffyn cathodig yn defnyddio ystod o offer a thechnegau i ddylunio a gweithredu systemau amddiffyn cathodig sy&#039;n bodloni safonau&#039;r diwydiant.<\/p>\n<p>Mae&#039;r broses ddylunio yn cynnwys cynnal arolwg safle i nodi&#039;r ardaloedd sydd angen eu hamddiffyn, cyfrifo&#039;r dwysedd cerrynt sydd ei angen i amddiffyn y strwythur, dewis y math priodol o system amddiffyn cathodig, a pharatoi cynllun prosiect manwl.<\/p>\n<p>Mae&#039;r gweithredu&#039;n cynnwys gosod y system amddiffyn cathodig, gan gynnwys yr anodau, y ceblau a&#039;r offer monitro. Rhaid i beirianwyr amddiffyn cathodig sicrhau bod y system wedi&#039;i gosod yn gywir ac yn bodloni safonau&#039;r diwydiant. Gall peirianwyr amddiffyn cathodig berfformio\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Material_take_off\" target=\"_blank\" rel=\"noopener\">tynnu deunyddiau i ffwrdd<\/a>\u00a0a chyflwyno&#039;r deunyddiau i&#039;r safle gwaith yn brydlon.<\/p>\n<div id=\"attachment_54005\" class=\"wp-caption alignnone\">\n<img decoding=\"async\" class=\"alignnone wp-image-3899 size-full\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Cathodic-Protection-Drilling.jpg\" alt=\"Drilio Amddiffyniad Cathodig\" width=\"864\" height=\"650\" srcset=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Cathodic-Protection-Drilling.jpg 864w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Cathodic-Protection-Drilling-300x226.jpg 300w, https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2023\/03\/Cathodic-Protection-Drilling-768x578.jpg 768w\" sizes=\"(max-width: 864px) 100vw, 864px\" \/>\n<p id=\"caption-attachment-54005\" class=\"wp-caption-text\">Drilio Amddiffyniad Cathodig \u2013 Dreiym Engineering (gyda\u00a0<a href=\"https:\/\/www.asvi.com\/compact-track-loaders\/rt-135\/\" target=\"_blank\" rel=\"noopener\">Llywio Sgid<\/a>) ac innov8 gyda rig drilio yn gosod ffynnon ddofn CP ar safle adeiladu yn El-Paso<\/p>\n<\/div>\n<h2>Monitro a Chynnal a Chadw Systemau CP<\/h2>\n<p>Mae monitro a chynnal systemau amddiffyn cathodig yn hanfodol er mwyn sicrhau eu heffeithiolrwydd hirdymor. Mae peirianwyr amddiffyn cathodig yn defnyddio amrywiol dechnegau i fonitro a chynnal systemau amddiffyn cathodig, gan gynnwys:<\/p>\n<ul>\n<li>Yn glynu wrth bawb\u00a0<a href=\"https:\/\/www.phmsa.dot.gov\/\" target=\"_blank\" rel=\"noopener nofollow\">PHMSA<\/a>\u00a0rheoliadau sy&#039;n berthnasol i&#039;ch systemau<\/li>\n<li>Cynnal archwiliadau rheolaidd i nodi unrhyw faterion neu broblemau, yn ddelfrydol dim llai nag un arolwg y flwyddyn; fodd bynnag, mae arolygon chwarterol yn sicrhau bod camau gweithredu yn amserol a bod cywiriadau&#039;n digwydd yn gyflym.<\/li>\n<li>Cynnal profion i sicrhau bod y system yn gweithredu&#039;n gywir<\/li>\n<li>Gwneud atgyweiriadau a chynnal a chadw yn \u00f4l yr angen<\/li>\n<li>Darparu cymorth technegol i dimau prosiect a chleientiaid<\/li>\n<li>Paratoi adroddiadau a dogfennaeth sy&#039;n ymwneud \u00e2 systemau amddiffyn cathodig.<\/li>\n<\/ul>\n<p>Fel arfer, cynhelir y gweithgareddau monitro hyn gan CP1 neu CP2 sydd wedi&#039;u hardystio gan AMPP, dan oruchwyliaeth peiriannydd proffesiynol trwyddedig (sydd hefyd yn CP4 yn ddelfrydol).<\/p>\n<h2>Dyfodol Peirianneg Amddiffyniad Cathodig<\/h2>\n<p>Mae peirianneg CP yn faes sy&#039;n tyfu ac sy&#039;n debygol o ddod yn fwyfwy hanfodol yn y dyfodol. Wrth i ddiwydiannau barhau i ddibynnu ar strwythurau metel, mae&#039;r angen am <a href='https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/2020\/04\/02\/dulliau-rheoli-cyrydiad-effeithiol\/'>atal a rheoli cyrydiad effeithiol<\/a> Dim ond cynyddu fydd technegau. Bydd peirianwyr amddiffyn cathodig yn hanfodol wrth ddylunio, gweithredu a chynnal systemau amddiffyn cathodig sy&#039;n amddiffyn y strwythurau hyn rhag cyrydiad. Er bod rhai cynhyrchion yn dod i&#039;r farchnad a allai ddisodli rhai strwythurau metel, fel pibellau diamedr bach, mae&#039;n annhebygol y bydd y defnydd o fetel yn dod i ben yn fuan ar gyfer llawer o gymwysiadau.<\/p>\n<p>Mae peirianwyr amddiffyn cathodig yn weithwyr proffesiynol sy&#039;n hanfodol wrth amddiffyn strwythurau metel rhag cyrydiad. Gan ddefnyddio egwyddorion electrocemegol, mae peirianwyr yn dylunio, gweithredu, monitro a chynnal systemau amddiffyn cathodig sy&#039;n bodloni safonau&#039;r diwydiant. Mae dyfodol peirianneg amddiffyn cathodig yn ddisglair, gyda galw cynyddol am dechnegau atal a rheoli cyrydiad effeithiol mewn amrywiol ddiwydiannau.<\/p>\n<p><a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cy\/cyswllt\/\">Cysylltwch \u00e2 ni<\/a>\u00a0am drafodaeth os oes angen cymorth arnoch gyda dylunio neu asesu systemau amddiffyn cathodig.<\/p>","protected":false},"excerpt":{"rendered":"<p>Cathodic protection\u00a0(CP) is a technique used to prevent corrosion on metal surfaces by making the metal anode and introducing a cathode, which attracts the electron flow away from the metal, thus preventing corrosion. These are professionals trained in designing, installing, and maintaining cathodic protection systems for various structures, such as pipelines, offshore facilities, and tanks.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":3269,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":171,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-3223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corrosion-and-cathodic-protection"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.6.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Cathodic protection (CP) is a technique used to prevent corrosion on metal surfaces by making the metal anode and introducing a cathode, which attracts the ele\" \/>\n\t<meta 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