{"id":11385666,"date":"2016-01-25T00:00:00","date_gmt":"2016-01-24T23:00:00","guid":{"rendered":"https:\/\/alertdiver.eu\/uncategorized-cs_cz\/snorchly-vyhody-a-nevyhody\/"},"modified":"2016-01-25T00:00:00","modified_gmt":"2016-01-24T23:00:00","slug":"snorchly-vyhody-a-nevyhody","status":"publish","type":"post","link":"https:\/\/alertdiver.eu\/cs_CZ\/clanky\/snorchly-vyhody-a-nevyhody\/","title":{"rendered":"\u0160norchly: V\u00fdhody a nev\u00fdhody"},"content":{"rendered":"<p style=\"text-align: justify;\">&Scaron;norchl se pova\u017euje ji\u017e n\u011bkolik desetilet&iacute; za standardn&iacute; sou\u010d&aacute;st pot&aacute;p\u011b\u010dsk&eacute; v&yacute;bavy. Nab&iacute;z&iacute; jednoduchou a u\u017eite\u010dnou mo\u017enost plavat na hladin\u011b s obli\u010dejem sm\u011brem ke dnu, ani\u017e by bylo nutno zvedat hlavu kv\u016fli n&aacute;dech\u016fm. &Scaron;norchly mohou rovn\u011b\u017e zadr\u017eovat stla\u010den&yacute; vzduch pro ponor a pom&aacute;haj&iacute; minimalizovat n&aacute;hodn&eacute; vdechnut&iacute; vody v neklidn&yacute;ch vod&aacute;ch, kdy nelze d&yacute;chat skrze regul&aacute;tor.&nbsp;<\/p>\n<p style=\"text-align: justify;\">&Scaron;norchly v&scaron;ak nep\u0159edstavuj&iacute; jen sam&eacute; v&yacute;hody a kladn&eacute; str&aacute;nky. Zp\u016fsobuj&iacute; &bdquo;vtahov&aacute;n&iacute;&ldquo; vody, co\u017e nen&iacute; nic p\u0159&iacute;jemn&eacute;ho p\u0159i tlaku na masku, kter&aacute; pat\u0159&iacute; k nejd\u016fle\u017eit\u011bj&scaron;&iacute;m sou\u010d&aacute;stem cel&eacute; v&yacute;bavy. Rovn\u011b\u017e mohou b&yacute;t p\u0159&iacute;\u010dinou r\u016fzn&yacute;ch zapleten&iacute; a &bdquo;zamot&aacute;n&iacute;&ldquo;, nap\u0159. do mo\u0159sk&yacute;ch \u0159as nebo vlas\u016f. Nav&iacute;c nemus&iacute; b&yacute;t slu\u010diteln&eacute; s n\u011bkter&yacute;mi konfiguracemi pot&aacute;p\u011b\u010dsk&eacute; v&yacute;bavy. Tak\u017ee, co s t&iacute;m?&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong><em>Argumenty pro:<\/em><\/strong> &Scaron;norchl b&yacute;v&aacute; dobrou pom\u016fckou v norm&aacute;ln&iacute;ch situac&iacute;ch. To je jeho jednozna\u010dn&aacute; v&yacute;hoda. Kdy\u017e je &scaron;norchlu zapot\u0159eb&iacute;, zpravidla je nutno reagovat rychle a jeho okam\u017eit&aacute; pou\u017eitelnost pat\u0159&iacute; k d\u016fle\u017eit&yacute;m (a snadno splniteln&yacute;m) prvk\u016fm celkov&eacute; p\u0159ipravenosti.<\/p>\n<p style=\"text-align: justify;\"><strong><em>Argumenty proti:<\/em><\/strong> &Scaron;norchlu b&yacute;v&aacute; m&aacute;lokdy zapot\u0159eb&iacute;, kdy\u017e si pot&aacute;p\u011b\u010d s sebou nese dostatek d&yacute;chac&iacute;ho plynu nebo v lokalit&aacute;ch, kde je plav&aacute;n&iacute; na hladin\u011b m&aacute;lo pravd\u011bpodobn&eacute;, p\u0159&iacute;padn\u011b kde hroz&iacute; zapleten&iacute; se do n\u011bjak&yacute;ch p\u0159ek&aacute;\u017eek (ve vrac&iacute;ch \u010di v jeskyn&iacute;ch), nebo kde se d&aacute; jen m&aacute;lokdy pou\u017e&iacute;t (kv\u016fli ledu nebo v jeskyn&iacute;ch). M&eacute;n\u011b atraktivn&iacute;m \u010din&iacute; &scaron;norchl i skute\u010dnost, \u017ee pot&aacute;p\u011b\u010di vad&iacute;, &nbsp;kdy\u017e mu n\u011bco vis&iacute; (a p\u0159ek&aacute;\u017e&iacute;) z masky. &nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 18px;\">Kam &scaron;norchl um&iacute;stit?<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">U v\u011bt&scaron;iny regul&aacute;tor\u016f otev\u0159en&eacute;ho okruhu vede hadice p\u0159es prav&eacute; rameno, proto &scaron;norchl zavaz&iacute; m&eacute;n\u011b, kdy\u017e je p\u0159ipevn\u011bn na lev&eacute; stran\u011b masky. U uzav\u0159en&yacute;ch okruh\u016f vedou velk&eacute; hadice po obou stran&aacute;ch hlavy, proto je v takov&eacute;m p\u0159&iacute;pad\u011b nejlep&scaron;&iacute; m&iacute;t &scaron;norchl v kapse nebo ve vaku.<\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 18px;\">R\u016fzn&eacute; tvary<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">Na trhu existuje cel&aacute; \u0159ada r\u016fzn&yacute;ch &scaron;norchlov&yacute;ch proveden&iacute;, od jednoduch&eacute;ho tvaru J a\u017e po d\u016fmysln&eacute; konstrukce zohled\u0148uj&iacute;c&iacute; snadn&eacute; obt&eacute;k&aacute;n&iacute; a\/nebo sni\u017eov&aacute;n&iacute; mo\u017enosti vniknut&iacute; vody nebo umo\u017e\u0148uj&iacute;c&iacute; pr\u016fb\u011b\u017en&eacute; pro\u010di&scaron;t\u011bn&iacute;.<\/p>\n<p style=\"text-align: justify;\">Dlouh&yacute; &scaron;norchl ve tvaru J nen&iacute; p\u0159&iacute;li&scaron; vhodn&yacute;, a sice kv\u016fli zv&yacute;&scaron;en&eacute;mu nebezpe\u010d&iacute; zamot&aacute;n&iacute; se do mo\u0159sk&yacute;ch \u0159as nebo n\u011b\u010deho podobn&eacute;ho; &scaron;norchly se zak\u0159ivenou horn&iacute; trubic&iacute; nab&iacute;zej&iacute; ni\u017e&scaron;&iacute; profil.<\/p>\n<p style=\"text-align: justify;\">D\u016fle\u017eit&yacute;mi parametry jsou vnit\u0159n&iacute; pr\u016fm\u011br a d&eacute;lka &scaron;norchlu. Velk&yacute; vnit\u0159n&iacute; pr\u016fm\u011br znamen&aacute; men&scaron;&iacute; odpor, ale p\u0159&iacute;vod \u010derstv&eacute;ho vzduchu do plicn&iacute;ch skl&iacute;pk\u016f, kde doch&aacute;z&iacute; k v&yacute;m\u011bn\u011b plyn\u016f, vy\u017eaduje vdechov&aacute;n&iacute; v\u011bt&scaron;&iacute;ho objemu, ne\u017e \u010din&iacute; objem horn&iacute;ch cest v kombinaci se &scaron;norchlem (jedn&aacute; se o tzv. funk\u010dn&iacute; mrtv&yacute; prostor). Plyn v mrtv&eacute;m prostoru obsahuje vy&scaron;&scaron;&iacute; pod&iacute;l oxidu uhli\u010dit&eacute;ho, co\u017e podporuje hyperventilaci. To nep\u0159edstavuje \u017e&aacute;dn&yacute; probl&eacute;m, jestli\u017ee je objem d&yacute;chan&eacute;ho vzduchu dosta\u010duj&iacute;c&iacute; pro p\u0159&iacute;vod pot\u0159ebn&eacute;ho \u010derstv&eacute;ho vzduchu. Jestli\u017ee je v&scaron;ak objem vdechovan&eacute;ho vzduchu p\u0159&iacute;li&scaron; mal&yacute;, oxid uhli\u010dit&yacute; se akumuluje a to pom\u011brn\u011b brzy p\u0159inut&iacute; u\u017eivatele &uacute;pln\u011b p\u0159estat d&yacute;chat pomoc&iacute; &scaron;norchlu.&nbsp;<\/p>\n<p style=\"text-align: justify;\">Dlouh&aacute; tenk&aacute; trubice (podobn&aacute; zahradn&iacute; hadici) jako &scaron;norchl fungovat nebude, kv\u016fli jej&iacute;mu objemu a rozd&iacute;lu tlaku na hladin\u011b a ve stla\u010den&yacute;ch pl&iacute;c&iacute;ch. Vtahov&aacute;n&iacute; vzduchu dlouhou trubic&iacute; od hladiny je prost\u011b nepraktick&eacute;. Jednoduch&eacute; pravidlo zn&iacute;: Vnit\u0159n&iacute; pr\u016fm\u011br &scaron;norchlu mus&iacute; b&yacute;t v\u011bt&scaron;&iacute; ne\u017e &scaron;&iacute;\u0159ka palce ruky (a je&scaron;t\u011b o n\u011bco v\u011bt&scaron;&iacute; u lid&iacute; s mal&yacute;mi prsty) a &scaron;norchl by nem\u011bl b&yacute;t o moc del&scaron;&iacute;, ne\u017e jsou v&yacute;robky nab&iacute;zen&eacute; renomovan&yacute;mi v&yacute;robci.<\/p>\n<p style=\"text-align: justify;\">V minulosti se objevila pokusn&aacute; proveden&iacute; s c&iacute;lem zabr&aacute;nit vniknut&iacute; vody do &scaron;norchlu (a t&iacute;m se vyhnout nutnosti &scaron;norchl pro\u010di&scaron;\u0165ovat). Jednalo se o ohyb naho\u0159e o 180&deg;, kde byl um&iacute;st\u011bn ko&scaron;&iacute;\u010dek s pingpongov&yacute;m m&iacute;\u010dkem, kter&yacute; m\u011bl teoreticky (jako ventil) zabr&aacute;nit vniknut&iacute; vody do &scaron;norchlu. N&aacute;pad to byl sice zaj&iacute;mav&yacute;, ale jeho &uacute;\u010dinnost velice n&iacute;zk&aacute; a pravd\u011bpodobnost selh&aacute;n&iacute; vysok&aacute;.<\/p>\n<p style=\"text-align: justify;\">Modern&iacute; \u0159e&scaron;en&iacute; sm\u011b\u0159uj&iacute;c&iacute; ke snadn&eacute;mu pro\u010di&scaron;\u0165ov&aacute;n&iacute; &scaron;norchlu spo\u010d&iacute;v&aacute; v tom, \u017ee se pou\u017eije jednosm\u011brn&yacute; ventil um&iacute;st\u011bn&yacute; tak, aby pot&aacute;p\u011b\u010d nemusel vynalo\u017eit p\u0159&iacute;li&scaron; velk&eacute; &uacute;sil&iacute; p\u0159i vyfouknut&iacute; vody z horn&iacute;ho konce &scaron;norchlu. Takov&yacute; ventil m\u016f\u017ee b&yacute;t n&aacute;pomocn&yacute;, ale spr&aacute;vn&aacute; technika d&yacute;ch&aacute;n&iacute; jej m\u016f\u017ee u\u010dinit naprosto zbyte\u010dn&yacute;m. Nap\u0159. jestli\u017ee pot&aacute;p\u011b\u010d p\u0159i v&yacute;stupu naklon&iacute; hlavu dozadu a ve fin&aacute;ln&iacute; f&aacute;zi v&yacute;stupu k hladin\u011b vydechne ur\u010dit&eacute; nevelk&eacute; mno\u017estv&iacute; vzduchu a ihned po vyno\u0159en&iacute; nad hladinu prudce k&yacute;vne hlavou dop\u0159edu, zajist&iacute; si t&iacute;m velmi &uacute;\u010dinn&eacute; pro\u010di&scaron;t\u011bn&iacute; sv&eacute;ho &scaron;norchlu.<\/p>\n<p style=\"text-align: justify;\">Vlnit&yacute; vn\u011bj&scaron;&iacute; profil &scaron;norchlu je v po\u0159&aacute;dku, pokud nebr&aacute;n&iacute; n&aacute;ustku (&scaron;norchlu) vypadnout mimo dr&aacute;hu n&aacute;ustku regul&aacute;toru (podobn\u011b u\u017eite\u010dn&yacute; m\u016f\u017ee b&yacute;t rotuj&iacute;c&iacute; n&aacute;ustek), ale vnit\u0159n&iacute; strana &scaron;norchlu by m\u011bla b&yacute;t hladk&aacute;, aby bylo pot\u0159eba co nejmen&scaron;&iacute;ho &uacute;sil&iacute; k pr\u016ftahu vzduchu a sn&iacute;\u017eilo se zachycov&aacute;n&iacute; vody, kter&aacute; by mohla vniknout do plic p\u0159i siln&eacute;m vdechov&aacute;n&iacute;.<\/p>\n<p style=\"text-align: justify;\">Sklopn&eacute; &scaron;norchly lze snadno slo\u017eit do kapsy, co\u017e m\u016f\u017ee b&yacute;t d\u016fle\u017eit&eacute; pro pot&aacute;p\u011b\u010de, kte\u0159&iacute; se touto pom\u016fckou jinak necht\u011bj&iacute; zab&yacute;vat. D\u016fle\u017eit&eacute; je v&scaron;ak, aby spr&aacute;vn\u011b fungovaly, jakmile se vyjmou, nastav&iacute; do funk\u010dn&iacute; polohy a za\u010dnou pou\u017e&iacute;vat.<\/p>\n<p style=\"text-align: justify;\">Daleko viditeln&eacute; barvy znamenaj&iacute; dal&scaron;&iacute; v&yacute;hodu, co\u017e se samoz\u0159ejm\u011b t&yacute;k&aacute; ka\u017ed&eacute; sou\u010d&aacute;sti pot&aacute;p\u011b\u010dsk&eacute; v&yacute;bavy. Dob\u0159e viditeln&yacute; &scaron;norchl v&scaron;ak nen&iacute; tak &uacute;\u010dinn&yacute; jako fluorescentn&iacute; kapuce nebo oblek, p\u0159esto je to v&scaron;ak dobr&yacute; n&aacute;pad.<\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 18px;\">&Scaron;norchly a voln&eacute; pot&aacute;p\u011bn&iacute;<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">Voln&eacute; pot&aacute;p\u011bn&iacute; se od &scaron;norchlov&aacute;n&iacute; li&scaron;&iacute; &uacute;\u010delem i podstatou; &scaron;norchlov&aacute;n&iacute; je b\u011b\u017en\u011bj&scaron;&iacute;, u voln&eacute;ho pot&aacute;p\u011bn&iacute; se jedn&aacute; o \u010dinnost extr&eacute;mn\u011bj&scaron;&iacute;. Z&aacute;vodn&iacute;ci ve voln&eacute;m pot&aacute;p\u011bn&iacute; &scaron;norchly nepou\u017e&iacute;vaj&iacute; kv\u016fli nutnosti tahu nav&iacute;c a mrtv&eacute;mu prostoru. Ostatn&iacute; vyznava\u010di voln&eacute;ho pot&aacute;p\u011bn&iacute; by je pou\u017e&iacute;vat mohli, ale z&aacute;rove\u0148 se nab&iacute;z&iacute; ot&aacute;zka, zdali by se jim nedostala snadn\u011bji voda do &uacute;st p\u0159i mo\u017en&eacute;m blackoutu.<\/p>\n<p style=\"text-align: justify;\">N&aacute;zory na toto t&eacute;ma se r\u016fzn&iacute;, nicm&eacute;n\u011b skute\u010dn&yacute;ch d\u016fkaz\u016f na podporu mo\u017enosti <em>pou\u017e&iacute;vat \u010di nepou\u017e&iacute;vat<\/em> je pom&aacute;lu. Existuje v&scaron;ak teze, \u017ee ihned po n&aacute;stupu blackoutu n&aacute;sleduje ur\u010dit&yacute; \u010das, kdy se zachov&aacute;v&aacute; dostate\u010dn&yacute; svalov&yacute; tonus, kter&yacute; zabra\u0148uje vstupu vody p\u0159es norm&aacute;ln\u011b zav\u0159en&aacute; &uacute;sta. Pro rychl&eacute; o\u017eiven&iacute; zpravidla dosta\u010duje dostat pot&aacute;p\u011b\u010de posti\u017een&eacute;ho blackoutem ihned na hladinu a udr\u017eovat d&yacute;chac&iacute; cesty nezavodn\u011bn&eacute;. Otev\u0159en&aacute; &uacute;sta dr\u017e&iacute;c&iacute; &scaron;norchl pln&yacute; vody by z\u0159ejm\u011b vedla k rychlej&scaron;&iacute;mu vstupu vody, ale takov&aacute; situace se ned&aacute; nijak snadno (a eticky) prakticky ov\u011b\u0159it. Vyznava\u010d\u016fm voln&eacute;ho pot&aacute;p\u011bn&iacute; by se mohlo doporu\u010dit, aby se pou\u017e&iacute;v&aacute;n&iacute; &scaron;norchlu rad\u011bji vyh&yacute;bali, ale takov&eacute; doporu\u010den&iacute; je empiricky nepodlo\u017een&eacute;. Mnohem d\u016fle\u017eit\u011bj&scaron;&iacute; je vyhnout se nadm\u011brn&eacute; hyperventilaci (v&yacute;m\u011bn\u011b dvou a\u017e t\u0159&iacute; objem\u016f plic nad metabolickou pot\u0159ebu), kter&aacute; m\u016f\u017ee v&yacute;znamn\u011b zv&yacute;&scaron;it pravd\u011bpodobnost dostaven&iacute; se blackoutu.<\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 18px;\">Se &scaron;norchlem, nebo bez n\u011bj? &nbsp;<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">Zdali &scaron;norchl v\u016fbec pou\u017e&iacute;vat a jestli\u017ee ano, jak&yacute; typ, to je \u010dist\u011b na rozhodnut&iacute; ka\u017ed&eacute;ho jednotlivce. Ur\u010dit\u011b je v&yacute;hodn&eacute;, kdy\u017e &scaron;norchl ni\u010demu nebr&aacute;n&iacute; a p\u0159itom nijak nechyb&iacute;, ale na druhou stranu je dobr&eacute; jej m&iacute;t po ruce, kdy\u017e je ho zapot\u0159eb&iacute;. D\u016fle\u017eit&eacute; je spr&aacute;vn\u011b zvl&aacute;dat dod&aacute;vku plynu a um\u011bt \u0159e&scaron;it nouzov&eacute; situace, a tak&eacute; m&iacute;t s sebou &scaron;norchl pr&aacute;v\u011b tehdy, kdy\u017e se delf&iacute;ni rozhodnou plavat s v&aacute;mi po ukon\u010den&eacute;m ponoru. J&aacute; s&aacute;m m&iacute;v&aacute;m s sebou kompaktn&iacute; a snadno p\u0159epravovateln&yacute; &scaron;norchl v situac&iacute;ch, o kter&yacute;ch se d&aacute; p\u0159edpokl&aacute;dat, \u017ee by jeho pou\u017eit&iacute; bylo pot\u0159ebn&eacute; a prosp\u011b&scaron;n&eacute;.<\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 18px;\">Zaj&iacute;mavost ke &scaron;norchlov&aacute;n&iacute;<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">Mnoho lid&iacute; v&iacute;, \u017ee v&yacute;raz &bdquo;skin&rdquo; (angl. k\u016f\u017ee, ple\u0165, poko\u017eka) tak&eacute; znamen&aacute; v&yacute;bavu pro &scaron;norchlov&aacute;n&iacute;, ale jen m&aacute;lokdo zn&aacute; jeho p\u016fvod. Kdy\u017e se od voj&aacute;k\u016f po\u017eadovalo, aby si na hodiny v&yacute;cviku ve vod\u011b p\u0159inesli masku, &scaron;norchl a ploutve, vyv\u011bsil se na oznamovac&iacute; tabuli akronym SKIN, co\u017e bylo zkratkov&eacute; slovo znamenaj&iacute;c&iacute; &bdquo;swim kit is needed&rdquo; (v&yacute;bava pro plav&aacute;n&iacute; s sebou).<\/p>\n<p style=\"text-align: justify;\"><\/p>\n<hr style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><\/p>\n<p style=\"text-align: justify;\"><strong>Z obchodu DAN:<\/strong><a href=\"https:\/\/secure.daneurope.org\/shop-restricted?p_p_id=shop_INSTANCE_GK8s&amp;p_p_lifecycle=0&amp;p_p_state=normal&amp;p_p_mode=view&amp;shop_INSTANCE_GK8s_directCategoryId=53&amp;shop_INSTANCE_GK8s_directVirtualItemId=2166\" rel=\"nofollow\"><\/a><\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/secure.daneurope.org\/shop-restricted?p_p_id=shop_INSTANCE_GK8s&#038;p_p_lifecycle=0&#038;p_p_state=normal&#038;p_p_mode=view&#038;shop_INSTANCE_GK8s_directCategoryId=53&#038;shop_INSTANCE_GK8s_directVirtualItemId=2166\" rel=\"nofollow\">Loopel&reg;, spir&aacute;lov&yacute; &scaron;norchl<\/a>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><\/p>\n<p style=\"text-align: justify;\"><\/p>\n<p style=\"text-align: justify;\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&Scaron;norchl se pova\u017euje ji\u017e n\u011bkolik desetilet&iacute; za standardn&iacute; sou\u010d&aacute;st pot&aacute;p\u011b\u010dsk&eacute; v&yacute;bavy. Nab&iacute;z&iacute; jednoduchou a u\u017eite\u010dnou mo\u017enost plavat na hladin\u011b s obli\u010dejem sm\u011brem ke dnu, ani\u017e&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11375526,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[384],"tags":[1877],"authors":[1521],"class_list":["post-11385666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-clanky","tag-zajimavosti","authors-neal-pollock-ph-d-cs_cz"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0160norchly: V\u00fdhody a nev\u00fdhody - Alert Diver<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alertdiver.eu\/cs_CZ\/clanky\/snorchly-vyhody-a-nevyhody\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0160norchly: V\u00fdhody a nev\u00fdhody - Alert Diver\" \/>\n<meta property=\"og:description\" content=\"&Scaron;norchl se pova\u017euje ji\u017e n\u011bkolik desetilet&iacute; za standardn&iacute; sou\u010d&aacute;st pot&aacute;p\u011b\u010dsk&eacute; v&yacute;bavy. 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