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      <title>기체 활용 자료 조사 발표 (4-3) by </title>
      <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1</link>
      <description>실생활에서 기체가 사용되는 모습을 사진이나 비디오로 찍어 한 개씩 포스팅하세요. 예: 헬륨 풍선, 부엌의 가스레인지 등.</description>
      <language>en-us</language>
      <pubDate>2025-10-22 02:20:55 UTC</pubDate>
      <lastBuildDate>2025-10-23 02:51:19 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>활동 안내</title>
         <author>dpad130556</author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644322334</link>
         <description><![CDATA[<ol><li><p>주변에서 기체가 사용되는 예시를 찾으세요.</p></li><li><p>해당 예시를 사진을 찾으세요..</p></li><li><p>아래의 ‘+ 추가’ 버튼을 눌러 포스트를 작성하세요.</p></li><li><p>포스트 제목에 간단히 예시의 이름을 적으세요.</p></li><li><p>본문에는 그 예시가 어떻게 기체를 사용하는지 짧게 설명하세요.</p></li><li><p>친구들의 소개내용을 확인하고 댓글 달아주세요. 포스트도 확인해보세요!</p></li></ol>]]></description>
         <pubDate>2025-10-22 02:20:55 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644322334</guid>
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      <item>
         <title>과자봉지속 질소 (김은주)</title>
         <author>dpad130556</author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644322337</link>
         <description><![CDATA[<p>과자봉지의 내용물을 보존할 때 이용한다. </p>]]></description>
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         <pubDate>2025-10-22 02:20:55 UTC</pubDate>
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      </item>
      <item>
         <title>이산화탄소 소화기 이한솔</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644331498</link>
         <description><![CDATA[<p>이산화탄소가 산소가 불에 접근하는걸 막아 불을 끈다.</p>]]></description>
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         <pubDate>2025-10-22 02:25:02 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644331498</guid>
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      <item>
         <title>드라이아이스 이산화탄소 이한솔</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644333501</link>
         <description><![CDATA[<p>이산화탄소를 얼린 고체 이산화탄소</p>]]></description>
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         <pubDate>2025-10-22 02:26:00 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644333501</guid>
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      <item>
         <title>탄산음료 이산화탄소 이한솔</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644335738</link>
         <description><![CDATA[<p>이산화탄소를 액체에 기포로 넣는다.</p>]]></description>
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         <pubDate>2025-10-22 02:27:05 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644335738</guid>
      </item>
      <item>
         <title>식물의 성장을 도와준다. (이산화탄소)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644337646</link>
         <description><![CDATA[<p>식물 재배: 온실 내 이산화탄소 농도를 높여 작물의 광합성을 촉진하고 성장 속도를 높입니다.  </p>]]></description>
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         <pubDate>2025-10-22 02:28:02 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644337646</guid>
      </item>
      <item>
         <title>탄산음료 속 이산화탄소 (송하임)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644337649</link>
         <description><![CDATA[<p>이산화탄소가 녹아 톡쏘는 느낌이난다</p>]]></description>
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         <pubDate>2025-10-22 02:28:02 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644337649</guid>
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      <item>
         <title>탄산음료속 이산화탄소 (김민재)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644338774</link>
         <description><![CDATA[<p>탄산음료속에는 이산화탄소가 있다</p>]]></description>
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         <pubDate>2025-10-22 02:28:26 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644338774</guid>
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      <item>
         <title>탄산음료속에 있는 이산화탄소 (김초연)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644339178</link>
         <description><![CDATA[<p>탄산음료속에 이산화탄소가 있다.</p>]]></description>
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         <pubDate>2025-10-22 02:28:39 UTC</pubDate>
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      <item>
         <title>질소(정서우)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644339444</link>
         <description><![CDATA[<p>항공기 타이어나 로켓연료에 쓰인다</p>]]></description>
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         <pubDate>2025-10-22 02:28:44 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644339444</guid>
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      <item>
         <title>이산화탄소 의 쓰임새-장유영</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644340875</link>
         <description><![CDATA[<p>이산화탄소는 무색,무취의 기체 이다 이산화탄소는 공ㄱ,보다무겁다</p><p>이산화탄소를 물에 녹여 탄산을 만들수있다</p><p>이산화탄소로 만들수 있는 것은 사이다, 콜라, 환타 등등 이있다</p><p>   </p><p>                                                                  </p>]]></description>
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         <pubDate>2025-10-22 02:29:17 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644340875</guid>
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      <item>
         <title>탄산음료 이산화 탄소(송예준)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644341143</link>
         <description><![CDATA[<p>물에 녹아 탄산을 만들어 불을 꺼트리는 성질을 가졌다</p>]]></description>
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         <pubDate>2025-10-22 02:29:24 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644341143</guid>
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      <item>
         <title>정유찬 질소 </title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644343208</link>
         <description><![CDATA[<p>무색이고</p><p>대기권 78을</p><p>차지한다.</p><p>냉동 치료에</p><p>사용된다.</p>]]></description>
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         <pubDate>2025-10-22 02:30:13 UTC</pubDate>
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      <item>
         <title>약품에 들어가는 질소 양다영</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644344874</link>
         <description><![CDATA[<p>약물의 품질과 안전성을 높이기 위해서 질소를 사용하기도 합니다. 예를들어 의약품 제조 과정에서 산화를 방지하기 위해 불활성 가스로 사용됩니다.</p>]]></description>
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         <pubDate>2025-10-22 02:30:58 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644344874</guid>
      </item>
      <item>
         <title>헬륨 풍선(신서영)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644345427</link>
         <description><![CDATA[<p>헬륨은 공기보다 가벼워서 헬륨 풍선이 뜬다</p>]]></description>
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         <pubDate>2025-10-22 02:31:15 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644345427</guid>
      </item>
      <item>
         <title>탄산음료속 이산화탄소 (강민성)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644346210</link>
         <description><![CDATA[<p>탄산음료속에 이산화탄소가 있다.</p><p>이산화탄소는 공기보다 무겁다.</p><p>이산화탄소는 마실때 따금따금 하다.</p><p><br></p><p><br></p>]]></description>
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         <pubDate>2025-10-22 02:31:37 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644346210</guid>
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      <item>
         <title>질소(고다윤)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644346636</link>
         <description><![CDATA[<p>질소는 과자봉지에들어있고 질소는비료,식품,포당,의료,과학,화학 등등 다양한 분야에서 필수적으로 활용된 기체원소이다</p>]]></description>
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         <pubDate>2025-10-22 02:31:51 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644346636</guid>
      </item>
      <item>
         <title>이산화탄소 세탁기 이한솔</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644346703</link>
         <description><![CDATA[<p>이산화탄소를 액화하여 빨래 속을 침투해 노폐물을 없엔다.</p>]]></description>
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         <pubDate>2025-10-22 02:31:53 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644346703</guid>
      </item>
      <item>
         <title>바코드스캔 기계 속 헬륨 (안세연)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644347385</link>
         <description><![CDATA[<p>핼륨의 성질:폭발의 위험이 없다.</p><p>핼륨의 이용사례: 바코드스캔 기계</p>]]></description>
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         <pubDate>2025-10-22 02:32:14 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644347385</guid>
      </item>
      <item>
         <title>수소 전기차 연료(이준석)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644347899</link>
         <description><![CDATA[<p>수소는 천연 자동차,로켓,비행기등의 이동수단의 연료로 사용된다</p>]]></description>
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         <pubDate>2025-10-22 02:32:27 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644347899</guid>
      </item>
      <item>
         <title>헬륨 풍선 김민재</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644349122</link>
         <description><![CDATA[<p>헬륨은 공기보다 가벼워서 뜬다</p>]]></description>
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         <pubDate>2025-10-22 02:33:05 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644349122</guid>
      </item>
      <item>
         <title>소화기 속 이산화탄소 (김초연)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644350453</link>
         <description><![CDATA[<p>이산화탄소의 무게와 안정성을 이용해 화재 진압에 사용된다.</p>]]></description>
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         <pubDate>2025-10-22 02:33:39 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644350453</guid>
      </item>
      <item>
         <title>헬륨 풍선 (한지호)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644352827</link>
         <description><![CDATA[<p>헬륨은 공기보다 가볍다 그래서 헬륨을 넣으면 풍선이 높이 뜬다</p>]]></description>
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         <pubDate>2025-10-22 02:34:48 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644352827</guid>
      </item>
      <item>
         <title>질소_김민지</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644353453</link>
         <description><![CDATA[<p>질소는 로켓발사에 직접적인 추진력원 으로 사용되기 보다는 로켓의 자세에는 발사준비 과정에 활용됩니다 예를 들어 팰전9 로켓에 궤도진입 또는 재 착륙시,흰색 연기로 보이는것이 바로 질소가스를 분사합니다</p>]]></description>
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         <pubDate>2025-10-22 02:35:05 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644353453</guid>
      </item>
      <item>
         <title>헬륨 초저온 냉각제 양다영</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644354730</link>
         <description><![CDATA[<p>헬륨은 끓는점이 매우 낮아 초저온 냉각제로도 쓰입니다. 헬륨은-268.9도에서나 액체가 됩니다. 이렇게 만들어진 헬륨은 MRI측정 장치에 쓰이는 초전도 전자석을 냉각시키는데 사용됩니다.</p>]]></description>
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         <pubDate>2025-10-22 02:35:39 UTC</pubDate>
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      </item>
      <item>
         <title>이산화 탄소 김예성</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644357534</link>
         <description><![CDATA[<p>탄산 음료수 에는 이산화 탄소가 들어있다</p>]]></description>
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         <pubDate>2025-10-22 02:37:11 UTC</pubDate>
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      </item>
      <item>
         <title>과자봉지 질소 임세빈</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644357826</link>
         <description><![CDATA[<p>과자를 포장할때 질소를 이용한다</p>]]></description>
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         <pubDate>2025-10-22 02:37:21 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644357826</guid>
      </item>
      <item>
         <title>헬륨풍선(송하임)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644357872</link>
         <description><![CDATA[<p>헬륨은 공기보다 가벼워 하늘에 뜬다</p>]]></description>
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         <pubDate>2025-10-22 02:37:23 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644357872</guid>
      </item>
      <item>
         <title>수소 자동차(정의선)</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644358472</link>
         <description><![CDATA[<p>폭팔금과 함께 무색 불꽃을 내며 물을 생성합니다</p>]]></description>
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         <pubDate>2025-10-22 02:37:42 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644358472</guid>
      </item>
      <item>
         <title>과지봉지 질소 이한솔</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644360815</link>
         <description><![CDATA[<p>질소 포장으로 과자를 보존한다.</p>]]></description>
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         <pubDate>2025-10-22 02:38:54 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644360815</guid>
      </item>
      <item>
         <title>이산화탄소 은서준</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644361104</link>
         <description><![CDATA[<p>동물 호흡과 연소 과정에서 생성되고, 식물의 광합성에 이용됩니다</p>]]></description>
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         <pubDate>2025-10-22 02:39:03 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644361104</guid>
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      <item>
         <title>이산화탄소 음료수 탄산 이규현</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644361971</link>
         <description><![CDATA[<p>탄산음료 를 만들때 쓴다</p>]]></description>
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         <pubDate>2025-10-22 02:39:30 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644361971</guid>
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      <item>
         <title>액체 질소 이한솔</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644369350</link>
         <description><![CDATA[<p>질소를 액체로 만든 것으로 냉각제로 사용된다.</p>]]></description>
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         <pubDate>2025-10-22 02:42:37 UTC</pubDate>
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      <item>
         <title>과자봉지 질소       김예성</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644371399</link>
         <description><![CDATA[<p>과자봉지 를 포장할때 질소를 넣는다</p>]]></description>
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         <pubDate>2025-10-22 02:43:43 UTC</pubDate>
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      <item>
         <title>최하은:질소</title>
         <author></author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644386508</link>
         <description><![CDATA[<p>질소는 엽록소의 주요 구성 성분이자, 작물 성장을 촉진하는 필수적인 원소이다.</p>]]></description>
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         <pubDate>2025-10-22 02:51:00 UTC</pubDate>
         <guid>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3644386508</guid>
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      <item>
         <title>수소이용한 전기차 (김은주)</title>
         <author>dpad130556</author>
         <link>https://padlet.com/donghakcho/gnzfb8jgy6v8uhj1/wish/3646417747</link>
         <description><![CDATA[<p>수소를 연료로 친환경차를 만들어 사용중. </p>]]></description>
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         <pubDate>2025-10-23 02:13:14 UTC</pubDate>
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