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	<id>https://wiki.opensourceecology.org/index.php?action=history&amp;feed=atom&amp;title=Concrete_Slabs</id>
	<title>Concrete Slabs - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.opensourceecology.org/index.php?action=history&amp;feed=atom&amp;title=Concrete_Slabs"/>
	<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;action=history"/>
	<updated>2026-04-13T01:16:31Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=277781&amp;oldid=prev</id>
		<title>Eric: Added some more links under the &quot;Internal Links&quot; section</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=277781&amp;oldid=prev"/>
		<updated>2022-11-13T04:19:42Z</updated>

		<summary type="html">&lt;p&gt;Added some more links under the &amp;quot;Internal Links&amp;quot; section&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:19, 13 November 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Waffle slab, hollow core slabs [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Waffle slab, hollow core slabs [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Flat slabs - supported directly by columns, no beams needed [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]. Conventional slabs are supported with both beams and columns.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Flat slabs - supported directly by columns, no beams needed [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]. Conventional slabs are supported with both beams and columns.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;=Internal Links=&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;*[[Precast Concrete]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category: Concrete]] [[Category: Materials]] [[Category: Housing and construction]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category: Concrete]] [[Category: Materials]] [[Category: Housing and construction]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Eric</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=277780&amp;oldid=prev</id>
		<title>Eric: Added a Category to the Page</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=277780&amp;oldid=prev"/>
		<updated>2022-11-13T04:19:28Z</updated>

		<summary type="html">&lt;p&gt;Added a Category to the Page&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 04:19, 13 November 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Waffle slab, hollow core slabs [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Waffle slab, hollow core slabs [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Flat slabs - supported directly by columns, no beams needed [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]. Conventional slabs are supported with both beams and columns.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Flat slabs - supported directly by columns, no beams needed [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]. Conventional slabs are supported with both beams and columns.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category: Concrete]] [[Category: Materials]] [[Category: Housing and construction]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Eric</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=271022&amp;oldid=prev</id>
		<title>Marcin at 18:46, 22 May 2022</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=271022&amp;oldid=prev"/>
		<updated>2022-05-22T18:46:56Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:46, 22 May 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Composite slabs - steel decking + concrete + rebar [https://www.google.com/search?q=composite+slab&amp;amp;sxsrf=ALiCzsYqP1s3SBFt-3xCiF3Fgott_7enBw:1653245029764&amp;amp;tbm=isch&amp;amp;source=iu&amp;amp;ictx=1&amp;amp;vet=1&amp;amp;fir=M-5TqOa4JJSjaM%252CJ1zycNKyUT1XoM%252C_%253B4g0H7IcqlOf3LM%252CU0PgxFrnI93LvM%252C_%253BpcmQzbRSNBi0TM%252CqJeVmSmd0ljHyM%252C_%253B4kAMkrttkJ_EIM%252CCySQubB1MvgYEM%252C_%253Bn8wUdZowSW1Z5M%252CjoGmsOFno7xr6M%252C_%253BjVs6PnS3mpVYRM%252CjFeGGnLWej4DpM%252C_%253BEHT2XmdnJbGl_M%252C5agnQhKAXFiNMM%252C_%253B6otquMIMuBH7LM%252C509HZ--k3_yRcM%252C_%253BrIOdyD-W0yDc_M%252CIPnjDoaxHK1Y6M%252C_%253BJFdJ8uHPeV_0NM%252C7W9o0281NBvfkM%252C_%253Be8GT5hN1HQDnUM%252CoVSOgGPEZcwo3M%252C_%253Bbtvkf5mZya3bkM%252Ce2_AS8uGKexYTM%252C_&amp;amp;usg=AI4_-kS0GEFnlgGt7juEC0Q7EvbRciIGyQ&amp;amp;sa=X&amp;amp;ved=2ahUKEwiI4ObV4fP3AhVtlGoFHYZBAfoQ9QF6BAgGEAE&amp;amp;biw=2133&amp;amp;bih=1012&amp;amp;dpr=0.9#imgrc=e8GT5hN1HQDnUM]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;*Composite slabs - steel decking + concrete + rebar [https://www.google.com/search?q=composite+slab&amp;amp;sxsrf=ALiCzsYqP1s3SBFt-3xCiF3Fgott_7enBw:1653245029764&amp;amp;tbm=isch&amp;amp;source=iu&amp;amp;ictx=1&amp;amp;vet=1&amp;amp;fir=M-5TqOa4JJSjaM%252CJ1zycNKyUT1XoM%252C_%253B4g0H7IcqlOf3LM%252CU0PgxFrnI93LvM%252C_%253BpcmQzbRSNBi0TM%252CqJeVmSmd0ljHyM%252C_%253B4kAMkrttkJ_EIM%252CCySQubB1MvgYEM%252C_%253Bn8wUdZowSW1Z5M%252CjoGmsOFno7xr6M%252C_%253BjVs6PnS3mpVYRM%252CjFeGGnLWej4DpM%252C_%253BEHT2XmdnJbGl_M%252C5agnQhKAXFiNMM%252C_%253B6otquMIMuBH7LM%252C509HZ--k3_yRcM%252C_%253BrIOdyD-W0yDc_M%252CIPnjDoaxHK1Y6M%252C_%253BJFdJ8uHPeV_0NM%252C7W9o0281NBvfkM%252C_%253Be8GT5hN1HQDnUM%252CoVSOgGPEZcwo3M%252C_%253Bbtvkf5mZya3bkM%252Ce2_AS8uGKexYTM%252C_&amp;amp;usg=AI4_-kS0GEFnlgGt7juEC0Q7EvbRciIGyQ&amp;amp;sa=X&amp;amp;ved=2ahUKEwiI4ObV4fP3AhVtlGoFHYZBAfoQ9QF6BAgGEAE&amp;amp;biw=2133&amp;amp;bih=1012&amp;amp;dpr=0.9#imgrc=e8GT5hN1HQDnUM]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;*Waffle slab, hollow core slabs [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;*Flat slabs - supported directly by columns, no beams needed [https://theconstructor.org/building/concrete-slabs-building-construction/262046/]. Conventional slabs are supported with both beams and columns.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

&lt;!-- diff cache key wikidb-wiki_:diff::1.12:old-271021:rev-271022 --&gt;
&lt;/table&gt;</summary>
		<author><name>Marcin</name></author>
	</entry>
	<entry>
		<id>https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=271021&amp;oldid=prev</id>
		<title>Marcin: Created page with &quot;*Composite slabs - steel decking + concrete + rebar [https://www.google.com/search?q=composite+slab&amp;sxsrf=ALiCzsYqP1s3SBFt-3xCiF3Fgott_7enBw:1653245029764&amp;tbm=isch&amp;source=iu&amp;i...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.opensourceecology.org/index.php?title=Concrete_Slabs&amp;diff=271021&amp;oldid=prev"/>
		<updated>2022-05-22T18:45:11Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;*Composite slabs - steel decking + concrete + rebar [https://www.google.com/search?q=composite+slab&amp;amp;sxsrf=ALiCzsYqP1s3SBFt-3xCiF3Fgott_7enBw:1653245029764&amp;amp;tbm=isch&amp;amp;source=iu&amp;amp;i...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;*Composite slabs - steel decking + concrete + rebar [https://www.google.com/search?q=composite+slab&amp;amp;sxsrf=ALiCzsYqP1s3SBFt-3xCiF3Fgott_7enBw:1653245029764&amp;amp;tbm=isch&amp;amp;source=iu&amp;amp;ictx=1&amp;amp;vet=1&amp;amp;fir=M-5TqOa4JJSjaM%252CJ1zycNKyUT1XoM%252C_%253B4g0H7IcqlOf3LM%252CU0PgxFrnI93LvM%252C_%253BpcmQzbRSNBi0TM%252CqJeVmSmd0ljHyM%252C_%253B4kAMkrttkJ_EIM%252CCySQubB1MvgYEM%252C_%253Bn8wUdZowSW1Z5M%252CjoGmsOFno7xr6M%252C_%253BjVs6PnS3mpVYRM%252CjFeGGnLWej4DpM%252C_%253BEHT2XmdnJbGl_M%252C5agnQhKAXFiNMM%252C_%253B6otquMIMuBH7LM%252C509HZ--k3_yRcM%252C_%253BrIOdyD-W0yDc_M%252CIPnjDoaxHK1Y6M%252C_%253BJFdJ8uHPeV_0NM%252C7W9o0281NBvfkM%252C_%253Be8GT5hN1HQDnUM%252CoVSOgGPEZcwo3M%252C_%253Bbtvkf5mZya3bkM%252Ce2_AS8uGKexYTM%252C_&amp;amp;usg=AI4_-kS0GEFnlgGt7juEC0Q7EvbRciIGyQ&amp;amp;sa=X&amp;amp;ved=2ahUKEwiI4ObV4fP3AhVtlGoFHYZBAfoQ9QF6BAgGEAE&amp;amp;biw=2133&amp;amp;bih=1012&amp;amp;dpr=0.9#imgrc=e8GT5hN1HQDnUM]&lt;/div&gt;</summary>
		<author><name>Marcin</name></author>
	</entry>
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