{"id":1274,"date":"2024-11-21T14:18:06","date_gmt":"2024-11-21T13:18:06","guid":{"rendered":"https:\/\/ergold.pl\/blog\/?p=1274"},"modified":"2025-08-22T19:51:55","modified_gmt":"2025-08-22T17:51:55","slug":"zloto-proby-375-czy-warto-taniej-nie-znaczy-gorzej","status":"publish","type":"post","link":"https:\/\/ergold.pl\/blog\/zloto-proby-375-czy-warto-taniej-nie-znaczy-gorzej\/","title":{"rendered":"Z\u0142oto pr\u00f3by 375 czy warto? Taniej nie znaczy gorzej"},"content":{"rendered":"\n<p>Zastanawiasz si\u0119, czy <strong>z\u0142oto pr\u00f3by 375<\/strong> to dobry wyb\u00f3r? W tym artykule rozwiejemy Twoje w\u0105tpliwo\u015bci! Opowiemy, czym jest z\u0142oto pr\u00f3by 375, jakie s\u0105 jego zalety i wady, oraz dlaczego warto wzi\u0105\u0107 je pod uwag\u0119 przy wyborze bi\u017cuterii. Czy ni\u017csza zawarto\u015b\u0107 z\u0142ota oznacza gorsz\u0105 jako\u015b\u0107? Przekonaj si\u0119, \u017ce ta\u0144sze nie zawsze oznacza mniej warto\u015bciowe!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co to jest z\u0142oto pr\u00f3by 375?<\/h2>\n\n\n\n<p><strong>Z\u0142oto pr\u00f3by 375<\/strong>, znane r\u00f3wnie\u017c jako z\u0142oto 9-karatowe, to stop, kt\u00f3ry zawiera <strong>37,5% czystego z\u0142ota<\/strong>. Pozosta\u0142e 62,5% to domieszki innych metali, takich jak srebro, mied\u017a, cynk czy pallad. W\u0142a\u015bnie te dodatki wp\u0142ywaj\u0105 na trwa\u0142o\u015b\u0107, kolor i cen\u0119 bi\u017cuterii wykonanej z tego rodzaju z\u0142ota.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Czym r\u00f3\u017cni si\u0119 z\u0142oto pr\u00f3by 375 od innych pr\u00f3b?<\/h4>\n\n\n\n<p>Pr\u00f3by z\u0142ota okre\u015blaj\u0105 zawarto\u015b\u0107 czystego z\u0142ota w stopie. Dla por\u00f3wnania: z\u0142oto pr\u00f3by 333 (8 karat\u00f3w) zawiera 33,3% z\u0142ota, z\u0142oto pr\u00f3by 585 (14 karat\u00f3w) zawiera 58,5% z\u0142ota, a pr\u00f3ba z\u0142ota 750 (18 karat\u00f3w) zawiera 75% z\u0142ota.<\/p>\n\n\n\n<p>W przypadku <strong>pr\u00f3by 375<\/strong> proporcje s\u0105 ni\u017csze, co przek\u0142ada si\u0119 na jej bardziej przyst\u0119pn\u0105 cen\u0119, ale niekoniecznie na gorsz\u0105 jako\u015b\u0107.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zalety pr\u00f3by z\u0142ota 375<\/h2>\n\n\n\n<p><strong>Przyst\u0119pna cena<\/strong><\/p>\n\n\n\n<p>Bi\u017cuteria z 9-karatowego z\u0142ota, tak jak <strong><a href=\"https:\/\/ergold.pl\/74-pierscionki-zareczynowe?proba=375\" target=\"_blank\" rel=\"noreferrer noopener\">z\u0142oty pier\u015bcionek 375<\/a><\/strong>, jest znacznie ta\u0144sza ni\u017c ta wykonana z wy\u017cszych pr\u00f3b. To idealne rozwi\u0105zanie dla os\u00f3b, kt\u00f3re szukaj\u0105 pi\u0119knych ozd\u00f3b w rozs\u0105dnej cenie.<\/p>\n\n\n\n<p><strong>Wi\u0119ksza trwa\u0142o\u015b\u0107<\/strong><\/p>\n\n\n\n<p>Dodatek innych metali sprawia, \u017ce <strong>pr\u00f3ba z\u0142ota 375<\/strong> jest bardziej wytrzyma\u0142a i odporna na codzienne noszenie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Wady z\u0142ota pr\u00f3by 375<\/h2>\n\n\n\n<p><strong>Mniejsza zawarto\u015b\u0107 z\u0142ota<\/strong><\/p>\n\n\n\n<p>Ze wzgl\u0119du na ni\u017csz\u0105 zawarto\u015b\u0107 czystego z\u0142ota, <strong>bi\u017cuteria z pr\u00f3by 375<\/strong> mo\u017ce si\u0119 utlenia\u0107 i z czasem straci\u0107 sw\u00f3j kolor (ale nie musi), w por\u00f3wnaniu do wy\u017cszych pr\u00f3b. Na szcz\u0119\u015bcie regularne czyszczenie i odpowiednia piel\u0119gnacja pomagaj\u0105 zachowa\u0107 jego pi\u0119kny wygl\u0105d. Zapoznaj si\u0119 z naszym artyku\u0142em <strong><a href=\"https:\/\/ergold.pl\/blog\/jak-dbac-o-zlota-bizuterie-aby-zawsze-wygladala-jak-nowa\/\" target=\"_blank\" rel=\"noreferrer noopener\">jak dba\u0107 o z\u0142oto<\/a><\/strong>.<\/p>\n\n\n\n<p><strong>Mo\u017cliwo\u015b\u0107 reakcji alergicznych<\/strong><\/p>\n\n\n\n<p>Dodatek metali, takich jak mied\u017a czy cynk, mo\u017ce powodowa\u0107 reakcje alergiczne u os\u00f3b wra\u017cliwych. W takim wypadku wybieraj z\u0142oto wy\u017cszej pr\u00f3by takie jak 585 czy 750.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bi\u017cuteria pr\u00f3by 375 &#8211; idealna na prezent<\/h2>\n\n\n\n<p><strong>Z\u0142oto pr\u00f3by 375<\/strong> to tak\u017ce doskona\u0142y wyb\u00f3r na prezent. Dzi\u0119ki atrakcyjnej cenie mo\u017cesz pozwoli\u0107 sobie na elegancki, ale przyst\u0119pny finansowo upominek, kt\u00f3ry zachwyci obdarowan\u0105 osob\u0119. Bi\u017cuteria wykonana z tego z\u0142ota jest wystarczaj\u0105co trwa\u0142a, by cieszy\u0107 si\u0119 ni\u0105 przez d\u0142ugi czas, a jednocze\u015bnie na tyle elegancka, \u017ce doskonale sprawdzi si\u0119 na ka\u017cd\u0105 okazj\u0119 \u2013 urodziny, rocznice, \u015bwi\u0119ta czy wa\u017cne wydarzenia rodzinne.<\/p>\n\n\n\n<p>Wybieraj\u0105c <strong>bi\u017cuteri\u0119 ze z\u0142ota pr\u00f3by 375<\/strong> na prezent, masz pewno\u015b\u0107, \u017ce obdarowana osoba otrzyma pi\u0119kny, warto\u015bciowy upominek, kt\u00f3ry z pewno\u015bci\u0105 przypadnie jej do gustu. To wyb\u00f3r, kt\u00f3ry \u0142\u0105czy klasyk\u0119 z nowoczesnym podej\u015bciem, oferuj\u0105c doskona\u0142\u0105 r\u00f3wnowag\u0119 mi\u0119dzy jako\u015bci\u0105 a cen\u0105.<\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/ergold.pl\/11209-89826-zloty-pierscionek-klasyczny-wzor-biale-cyrkonie-375.html#\/31-rozmiar-15\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-src=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-1024x1024.webp\" alt=\"\" class=\"wp-image-1283 lazyload\" data-srcset=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-1024x1024.webp 1024w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-300x300.webp 300w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-150x150.webp 150w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-768x768.webp 768w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-435x435.webp 435w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-60x60.webp 60w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1.webp 1500w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/1024;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-1024x1024.webp\" alt=\"\" class=\"wp-image-1283\" srcset=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-1024x1024.webp 1024w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-300x300.webp 300w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-150x150.webp 150w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-768x768.webp 768w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-435x435.webp 435w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1-60x60.webp 60w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-34_11zon-1.webp 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/ergold.pl\/14678-105169-zloty-pierscionek-375-z-cyrkoniami.html#\/41-rozmiar-11\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-src=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-1024x1024.webp\" alt=\"\" class=\"wp-image-1285 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/1024;width:417px;height:auto\" data-srcset=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-1024x1024.webp 1024w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-300x300.webp 300w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-150x150.webp 150w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-768x768.webp 768w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-435x435.webp 435w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-60x60.webp 60w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1.webp 1500w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-1024x1024.webp\" alt=\"\" class=\"wp-image-1285\" style=\"width:417px;height:auto\" srcset=\"https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-1024x1024.webp 1024w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-300x300.webp 300w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-150x150.webp 150w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-768x768.webp 768w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-435x435.webp 435w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1-60x60.webp 60w, https:\/\/ergold.pl\/blog\/wp-content\/uploads\/2024\/11\/Projekt-bez-nazwy-35_11zon-1.webp 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Czy pr\u00f3ba z\u0142ota 375 to dobry wyb\u00f3r?<\/h2>\n\n\n\n<p><strong>Z\u0142oto pr\u00f3by 375<\/strong> to doskona\u0142e rozwi\u0105zanie dla os\u00f3b, kt\u00f3re szukaj\u0105 trwa\u0142ej, pi\u0119knej i korzystnej cenowo bi\u017cuterii. Nie jest to tylko &#8222;ta\u0144sza alternatywa&#8221;, ale \u015bwiadomy wyb\u00f3r, kt\u00f3ry \u0142\u0105czy funkcjonalno\u015b\u0107 i pi\u0119kno.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/ergold.pl\/\" target=\"_blank\" rel=\"noreferrer noopener\">ERgold <\/a><\/strong>\u2013 producent bi\u017cuterii z ponad 22-letnim do\u015bwiadczeniem, tworzymy bi\u017cuteri\u0119 z najwy\u017csz\u0105 jako\u015bci\u0105 i staranno\u015bci\u0105. Zapoznaj si\u0119 z nasz\u0105 ofert\u0105 i przekonaj si\u0119, dlaczego nasze produkty wyr\u00f3\u017cniaj\u0105 si\u0119 niepowtarzalnym stylem i elegancj\u0105.<\/p>\n\n\n\n<p class=\"has-text-align-center\">Zaobserwuj nas \ud83d\ude42<\/p>\n\n\n\n<ul class=\"wp-block-social-links aligncenter has-visible-labels is-layout-flex wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-facebook  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.facebook.com\/bizuteriaergold\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12 2C6.5 2 2 6.5 2 12c0 5 3.7 9.1 8.4 9.9v-7H7.9V12h2.5V9.8c0-2.5 1.5-3.9 3.8-3.9 1.1 0 2.2.2 2.2.2v2.5h-1.3c-1.2 0-1.6.8-1.6 1.6V12h2.8l-.4 2.9h-2.3v7C18.3 21.1 22 17 22 12c0-5.5-4.5-10-10-10z\"><\/path><\/svg><span class=\"wp-block-social-link-label\">Facebook<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-instagram  wp-block-social-link\"><a rel=\"noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.instagram.com\/ergold_bizuteria\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12,4.622c2.403,0,2.688,0.009,3.637,0.052c0.877,0.04,1.354,0.187,1.671,0.31c0.42,0.163,0.72,0.358,1.035,0.673 c0.315,0.315,0.51,0.615,0.673,1.035c0.123,0.317,0.27,0.794,0.31,1.671c0.043,0.949,0.052,1.234,0.052,3.637 s-0.009,2.688-0.052,3.637c-0.04,0.877-0.187,1.354-0.31,1.671c-0.163,0.42-0.358,0.72-0.673,1.035 c-0.315,0.315-0.615,0.51-1.035,0.673c-0.317,0.123-0.794,0.27-1.671,0.31c-0.949,0.043-1.233,0.052-3.637,0.052 s-2.688-0.009-3.637-0.052c-0.877-0.04-1.354-0.187-1.671-0.31c-0.42-0.163-0.72-0.358-1.035-0.673 c-0.315-0.315-0.51-0.615-0.673-1.035c-0.123-0.317-0.27-0.794-0.31-1.671C4.631,14.688,4.622,14.403,4.622,12 s0.009-2.688,0.052-3.637c0.04-0.877,0.187-1.354,0.31-1.671c0.163-0.42,0.358-0.72,0.673-1.035 c0.315-0.315,0.615-0.51,1.035-0.673c0.317-0.123,0.794-0.27,1.671-0.31C9.312,4.631,9.597,4.622,12,4.622 M12,3 C9.556,3,9.249,3.01,8.289,3.054C7.331,3.098,6.677,3.25,6.105,3.472C5.513,3.702,5.011,4.01,4.511,4.511 c-0.5,0.5-0.808,1.002-1.038,1.594C3.25,6.677,3.098,7.331,3.054,8.289C3.01,9.249,3,9.556,3,12c0,2.444,0.01,2.751,0.054,3.711 c0.044,0.958,0.196,1.612,0.418,2.185c0.23,0.592,0.538,1.094,1.038,1.594c0.5,0.5,1.002,0.808,1.594,1.038 c0.572,0.222,1.227,0.375,2.185,0.418C9.249,20.99,9.556,21,12,21s2.751-0.01,3.711-0.054c0.958-0.044,1.612-0.196,2.185-0.418 c0.592-0.23,1.094-0.538,1.594-1.038c0.5-0.5,0.808-1.002,1.038-1.594c0.222-0.572,0.375-1.227,0.418-2.185 C20.99,14.751,21,14.444,21,12s-0.01-2.751-0.054-3.711c-0.044-0.958-0.196-1.612-0.418-2.185c-0.23-0.592-0.538-1.094-1.038-1.594 c-0.5-0.5-1.002-0.808-1.594-1.038c-0.572-0.222-1.227-0.375-2.185-0.418C14.751,3.01,14.444,3,12,3L12,3z M12,7.378 c-2.552,0-4.622,2.069-4.622,4.622S9.448,16.622,12,16.622s4.622-2.069,4.622-4.622S14.552,7.378,12,7.378z M12,15 c-1.657,0-3-1.343-3-3s1.343-3,3-3s3,1.343,3,3S13.657,15,12,15z M16.804,6.116c-0.596,0-1.08,0.484-1.08,1.08 s0.484,1.08,1.08,1.08c0.596,0,1.08-0.484,1.08-1.08S17.401,6.116,16.804,6.116z\"><\/path><\/svg><span class=\"wp-block-social-link-label\">Instagram<\/span><\/a><\/li><\/ul>\n\n\n<div class=\"wp-block-post-author\"><div class=\"wp-block-post-author__avatar\"><img alt='' data-src='https:\/\/secure.gravatar.com\/avatar\/478e9df441416bff09e36d9cbb450f58?s=48&#038;d=mm&#038;r=g' data-srcset='https:\/\/secure.gravatar.com\/avatar\/478e9df441416bff09e36d9cbb450f58?s=96&#038;d=mm&#038;r=g 2x' class='avatar avatar-48 photo lazyload' height='48' width='48' src='data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==' style='--smush-placeholder-width: 48px; --smush-placeholder-aspect-ratio: 48\/48;' \/><noscript><img alt='' src='https:\/\/secure.gravatar.com\/avatar\/478e9df441416bff09e36d9cbb450f58?s=48&#038;d=mm&#038;r=g' srcset='https:\/\/secure.gravatar.com\/avatar\/478e9df441416bff09e36d9cbb450f58?s=96&#038;d=mm&#038;r=g 2x' class='avatar avatar-48 photo' height='48' width='48' \/><\/noscript><\/div><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__name\">Anna ERgold<\/p><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Czy pr\u00f3ba z\u0142ota 375 jest dobra? Je\u015bli zastanawiasz si\u0119, czy warto kupi\u0107 bi\u017cuteri\u0119 z tej pr\u00f3by, to zapoznaj si\u0119 z naszym artyku\u0142em na ten temat. Dowiesz si\u0119, czym jest z\u0142oto 375, jakie ma zalety i wady. Tak\u017ce dowiesz si\u0119, czy bi\u017cuteria o tej pr\u00f3bie jest dobra na prezent. <\/p>\n","protected":false},"author":4,"featured_media":1276,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[133,4],"tags":[207,208,206],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Z\u0142oto pr\u00f3by 375 czy warto? Taniej nie znaczy gorzej - Ergold Blog<\/title>\n<meta name=\"description\" content=\"375 pr\u00f3ba z\u0142ota i pr\u00f3ba z\u0142ota 585 \u2013 poznaj ich cechy, trwa\u0142o\u015b\u0107 oraz zastosowanie w bi\u017cuterii. 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