Remains of 50,000-year-old baby mammoth found in Siberia ...

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This was lightweight, cheap, and top was easy to cut off so we could drop the pump in. For foam fluid, most DIY builds recommend a 2% mixture of soapy water. This author found success by mixing 5 ...

David Whitman of South Pasadena works out of his patio to make water pumps that he likes to call “little fire engines.” He describes them as self-contained sprinkler systems that pump water ...