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      <title>I MATERIALI DA COSTRUZIONE by Gaia Pluchino</title>
      <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl</link>
      <description>realizzato da: Gaia Pluchino</description>
      <language>en-us</language>
      <pubDate>2021-01-26 16:04:00 UTC</pubDate>
      <lastBuildDate>2021-02-02 19:03:04 UTC</lastBuildDate>
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         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127467749</link>
         <description><![CDATA[<div>I <strong><mark>materiali da costruzione </mark></strong>sono quei materiali,naturali e artificiali, usati nell'edilizia  e nelle grandi opere d'ingegneria.<br>è si suddividono in:<br>-<mark> PIETRE NATURALI<br></mark>- <mark>MATERIALI ARTIFICIALI<br>-MATERIALI LEGANTI</mark><br>-<mark>ALTRI MATERIALI</mark></div>]]></description>
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         <pubDate>2021-01-26 16:07:54 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127520106</link>
         <description><![CDATA[<div>Le <strong><mark>pietre naturali</mark></strong> sono rappresentate da vari tipi di rocce L'uso delle pietre è ormai limitato ai <strong>rivestiment</strong>i e alle <strong>pavimentazioni, </strong>invece le sabbie,le ghiaie sono importanti per la fabbricazione di <strong>conglomerati artificiali.</strong><br>Le rocce si classificano in:<br>-<strong><mark>eruttive o ignee</mark></strong>, che derivano dalla solidificazione della lava</div>]]></description>
         <enclosure url="https://www.gmpe.it/sites/default/files/rocce/granodiorite.jpg" />
         <pubDate>2021-01-26 16:16:14 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127589943</link>
         <description><![CDATA[<div>-<strong><mark>sedimentarie</mark></strong>,formate dal lento deposito di sabbie,ciottoli e resti organici</div>]]></description>
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         <pubDate>2021-01-26 16:27:38 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127735324</link>
         <description><![CDATA[<div>-<strong><mark>metamorfiche</mark></strong>, formate a profonde trasformazioni sia delle rocce eruttive e di quelle sedimentarie</div>]]></description>
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         <pubDate>2021-01-26 16:50:58 UTC</pubDate>
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         <title>I LATERIZI</title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127754115</link>
         <description><![CDATA[<div>Con questo termine s'intendono <strong>mattoni</strong> e <strong>tegole</strong>,ottenuti per cottura dell'<strong>argilla</strong> comune<br>Si dividono in:<br>-<mark>LATERIZI</mark><br>-<mark>PRODOTTI CERAMICI</mark><br>-<mark>VETRI</mark></div>]]></description>
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         <pubDate>2021-01-26 16:54:00 UTC</pubDate>
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         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127769913</link>
         <description><![CDATA[<div>Si possono <strong>classificare</strong> in:<br>-laterizi per <strong>strutture verticali</strong> (muri)<br>-laterizi <strong>per coperture</strong> (tetti)<br>-laterizi <strong>per pavimentazione e rivestimenti (</strong><strong><em>piastrelle</em></strong><strong>)</strong><br>-laterizi <strong>speciali</strong> (cornici)</div>]]></description>
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         <pubDate>2021-01-26 16:56:37 UTC</pubDate>
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      <item>
         <title>I PRODOTTI CERAMICI</title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127798982</link>
         <description><![CDATA[<div>I <strong><mark>prodotti ceramici</mark></strong> sono ottenuti dando una forma (<strong>foggiatura</strong>) a materie plastiche naturali.<br>Si dividono in:<br>-ceramiche a <strong>pasta porosa</strong><br>-ceramiche a <strong>pasta compatta</strong><br><br></div>]]></description>
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         <pubDate>2021-01-26 17:01:34 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127837953</link>
         <description><![CDATA[<div>I <strong><mark>leganti da costruzione</mark></strong> sono materiali che, impastati con l'acqua e sabbia formano delle masse <strong>semifluide</strong>.</div>]]></description>
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         <pubDate>2021-01-26 17:08:02 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127851988</link>
         <description><![CDATA[<div>I <strong>materiali legant</strong>i sono:<br>-il <strong><mark>gesso,</mark></strong> dove la materia prima è la pietra da gesso, che è messa ha 120 c che si trasforma in <strong>gesso da</strong> <strong>presa</strong></div>]]></description>
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         <pubDate>2021-01-26 17:10:15 UTC</pubDate>
         <guid>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127851988</guid>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127874763</link>
         <description><![CDATA[<div>-la <strong><mark>calce aerea</mark></strong>, viene dalla cottura di 900 c e dove si ottiene la <strong>calce</strong> <strong>viva</strong></div>]]></description>
         <enclosure url="https://www.youtube.com/watch?v=5FbrgRRtmrU" />
         <pubDate>2021-01-26 17:13:49 UTC</pubDate>
         <guid>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127874763</guid>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127893151</link>
         <description><![CDATA[<div>-la <strong><mark>calce idraulica</mark></strong>,è un materiale che resiste anche all'azione dell'acqua e si ottiene da una cottura di <strong>miscela di calcari</strong> e <strong>argilla </strong></div>]]></description>
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         <pubDate>2021-01-26 17:16:49 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127907730</link>
         <description><![CDATA[<div>-il <strong><mark>cemento</mark></strong>,viene dalla cottura di pietre calcaree miste all'argilla. Nel commercio troviamo il<strong> cemento</strong> <strong>Portland</strong> ( clinker-gesso),<strong>cemento</strong> <strong>pozzolanico</strong> (clinker -pozzolana), <strong>cemento d'altoforno</strong> (clinker-loppe)</div>]]></description>
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         <pubDate>2021-01-26 17:19:09 UTC</pubDate>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127950493</link>
         <description><![CDATA[<div>Sono materiali che non si possono aggiungere in  altri gruppi, e si dividono in:<br>-<strong><mark>legno</mark></strong></div>]]></description>
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         <pubDate>2021-01-26 17:26:21 UTC</pubDate>
         <guid>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127950493</guid>
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      <item>
         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127958027</link>
         <description><![CDATA[<div>-<strong><mark>metalli</mark></strong></div>]]></description>
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         <pubDate>2021-01-26 17:27:39 UTC</pubDate>
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         <title></title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1127961550</link>
         <description><![CDATA[<div>-<strong><mark>materiali sintetici</mark></strong></div>]]></description>
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         <pubDate>2021-01-26 17:28:18 UTC</pubDate>
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      <item>
         <title>IL VETRO</title>
         <author>pluchinogaia</author>
         <link>https://padlet.com/pluchinogaia/fvpvwnz7345vo0rl/wish/1155447311</link>
         <description><![CDATA[<div>può essere lavorato <strong>artigianalmente da mastrini vetrai o industrialmente cioè dai macchinari</strong></div>]]></description>
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         <pubDate>2021-02-02 18:57:11 UTC</pubDate>
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