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Ultrasonic sealing machine can be used for sealing various packaging bags made of PE, PP, PA, PET, as well as non-woven and chemical fiber materials.
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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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The ventilation butterfly valve is a non-sealing type butterfly valve, which is applied in ventilation and environmental protection projects in industries such as chemical engineering, building materials, power stations, and glass manufacturing.
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Dedicated butterfly valve for dust working conditions, featuring high sealing performance and wear resistance, flexible opening and closing without jamming. The optimal choice for powder material conveying in chemical, metallurgical and environmental protection industries
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