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      <title>Mašinski materjali by Luka Milić</title>
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      <description>Made with big dreams</description>
      <language>en-us</language>
      <pubDate>2018-02-24 20:25:23 UTC</pubDate>
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         <title>Mašinski materijali</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235028792</link>
         <description><![CDATA[<div>Materijali koji se koriste u mašinstvu dele se na:<br><strong>-METALI i LEGURE<br>-KOMPOZITE<br>-NEMETALI<br>-POGONSKI MATERIJALI</strong></div>]]></description>
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         <pubDate>2018-02-24 22:02:06 UTC</pubDate>
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         <title>METALI i LEGURE</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235029124</link>
         <description><![CDATA[<div>Metali i legure su najvažniji materijali u mašinskoj industriji.<br>Metali se dobijaju <mark>topljenjem ruda</mark>, a legure <mark>mešanjem</mark> dva ili više elemenata.</div>]]></description>
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         <pubDate>2018-02-24 22:06:40 UTC</pubDate>
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         <title>METALI</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235030027</link>
         <description><![CDATA[<ul><li><strong>gvožđe</strong></li><li><strong>aluminijum</strong></li><li><strong>bakar</strong></li><li><strong>olovo</strong></li><li><strong>kalaj</strong></li><li><strong>cink</strong></li><li><strong>nikl</strong></li><li><strong>živa</strong></li><li><strong>hrom</strong></li><li><strong>titanijum</strong></li></ul><div>PLEMENITI METALI</div><ul><li><strong>zlato </strong></li><li><strong>srebro</strong></li><li><strong>platina</strong></li></ul>]]></description>
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         <pubDate>2018-02-24 22:18:55 UTC</pubDate>
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         <title>LEGURE</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235030251</link>
         <description><![CDATA[<ul><li><strong>čelik</strong> ( gvoždje+ugljenik)</li><li><strong>liveno gvoždje</strong></li><li><strong>mesing</strong> ( cink+drugi elementi)</li><li><strong>bronza</strong> ( bakar+kalaj)</li></ul><div><br></div>]]></description>
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         <pubDate>2018-02-24 22:21:58 UTC</pubDate>
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         <title>KOMPOZITNI MATERIJALI</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235031212</link>
         <description><![CDATA[<div>Kompozitni metali su <mark>kombinacija dva ili više različitih materijala.</mark><br>Dobijeni materijal ima bolje osobne nego materijali od kojh je napravljen. Koriste se u avio-industriji, brodogradnji, auto-industriji,građevinarstvo...</div>]]></description>
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         <pubDate>2018-02-24 22:35:32 UTC</pubDate>
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         <title>NEMETALI</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235127497</link>
         <description><![CDATA[<div>U nemetale spadaju:</div><ul><li><strong>drvo</strong></li><li><strong>koža</strong></li><li><strong>tekstil</strong></li><li><strong>kamen</strong></li><li><strong>plastični materijali</strong></li><li><strong>guma</strong></li><li><strong>keramički materijali</strong></li></ul>]]></description>
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         <pubDate>2018-02-25 18:51:20 UTC</pubDate>
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         <title>POGONSKI MATERIJALI</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235128154</link>
         <description><![CDATA[<div>Pogoski materijali se koriste za <mark>pogretanje i ogržavanje</mark> delova i mašina.<br>U pogoske materijale spadaju:</div><ul><li><strong>goriva</strong></li><li><strong>maziva</strong></li></ul>]]></description>
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         <pubDate>2018-02-25 18:55:27 UTC</pubDate>
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         <title>GORIVA I MAZIVA</title>
         <author>2005lukamilic</author>
         <link>https://padlet.com/2005lukamilic/v09869odyhrl/wish/235129805</link>
         <description><![CDATA[<div><strong><mark>Goriva</mark></strong><strong> </strong>sagorevanjem oslobađaju toplotu koja se pretvara u mehanički rad.<br>Goriva se prema poreklu dele na <em>prirodna</em> i <em>veštačka.<br>U zavisnosti od agregatnog stanja dele se na:</em></div><ul><li><strong>čvrsta</strong> (drvo, ugalj, uran)</li><li><strong>tečna</strong> ( nafta i njeni derivati)</li><li><strong>gasovita</strong> ( prirodni zemni gas)</li></ul><div><strong><mark>Maziva</mark></strong> su materijali koji smanjuju <em>habanje</em> i <em>trenje</em> između pokretnih i nepokretnih delova mašina i uređaja.</div>]]></description>
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         <pubDate>2018-02-25 19:06:43 UTC</pubDate>
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