La goma d’esborrar \u00e9s l’eina que ens serveix per eliminar l’escrit de llapis del paper.<\/p>\n
Per\u00f2 com funciona realment?<\/p>\n
Abans de saber com funciona la goma, hem d’entendre el funcionament el llapis. Cont\u00e9 una mina de carb\u00f3, que quan passa per la superf\u00edcie del paper s’impregna.<\/p>\n
L’objectiu de la goma d’esborrar \u00e9s retirar les part\u00edcules de carb\u00f3 adherides al full. El m\u00e8tode utilitzat \u00e9s desenganxar el carb\u00f3 impregnat al full. La goma feta de cautx\u00fa o massilla pl\u00e0stica utilitza la for\u00e7a de cohesi\u00f3, al ser m\u00e9s elevada que la del carb\u00f3, es despr\u00e8n de la superf\u00edcie del full.<\/p>\n
Aquest \u00e9s el funcionament de la goma d’esborrar, gr\u00e0cies a aquest estri i al seu funcionament podem eliminar el llapis.<\/p>\n","protected":false},"excerpt":{"rendered":"
La goma d’esborrar \u00e9s l’eina que ens serveix per eliminar l’escrit de llapis del paper. Per\u00f2 com funciona realment? Abans de saber com funciona la goma, hem d’entendre el funcionament el llapis. Cont\u00e9 una mina de carb\u00f3, que quan passa per la superf\u00edcie del paper s’impregna. L’objectiu de la goma d’esborrar \u00e9s retirar les part\u00edcules […]<\/p>\n","protected":false},"author":855,"featured_media":13085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[387,1,102],"tags":[],"class_list":["post-12969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiositats","category-general","category-revista"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts\/12969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/users\/855"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/comments?post=12969"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts\/12969\/revisions"}],"predecessor-version":[{"id":13086,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts\/12969\/revisions\/13086"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/media\/13085"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/media?parent=12969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/categories?post=12969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/tags?post=12969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}