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中国锅炉制造商，生产各种规格锅炉，大公司制造，技术非常过关，免费安装，免费调试。Chinese boiler manufacturers produce boilers of various specifications, manufactured by large companies, with very good technology, free installation and free commissioning.
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Looking for activities for your kids while being stuck inside this winter? Try salt painting! It's a fun way to create art that uses a bit of science! Salt is hygroscopic meaning it absorbs water and water vapor from the air. View absorption in action when the salt is touched with watercolor paints. Here's how to make your own: Draw or trace your design with school glue Sprinkle salt over your picture making sure all the glue is covered. Lift up to remove excess salt. Once completely dry, use wa
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Let's Make a Colorful Volcano! It's a classic science activity for toddlers to explore chemical reactions. Step 1: Paint and Shake! Parents, fill jars or bottles with water and add a bit of sour stuff . Then, put colors on the lids. Let your little one grab the jars and give them a good shake. Watch the water inside turn into a magical mix of colors. It's like a magical surprise! Step 2: Fizz and Bubble! Open the lids, and help your child pour in soda. Wow! See the water
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