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Description
Ponderables EngineeringHere is the updated essential guide to engineering, an authoritative reference book and timeline about how technology has given shape to our civilisation. Engineering predates humanity; Homo habilis was knapping hand axes from fist sized flints more than a thousand centuries before the dawn of modern humans. Admittedly, the development of technology was slow back then, but we've made up for lost time since. Striding from the Stone Age to Silicon
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 974 reviews
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Product Reviews
★★★★★ 5
Best purchase yet and the dogs like it too
Size: 16 Fl Oz (Pack of 1)
This stuff has a light, clean fragrance that cleans very well without having sticky residue. It does not bother the dogs feet or skin. I love the mop/cleaner and this shampoo for my tile and my rugs. Best purchase yet!
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Reviewed in the United States on November 28, 2025
★★★★★ 4
Doesn’t leave a film on the floor, just a nice sheen.
Size: 16 Fl Oz (Pack of 1)
I use this for my Eufy S1 Pro and it lasts several months. It has a mild scent to it and I think it’s a decent price. I would like to see it a few dollars lower in price. It seems to add a nice sheen to the floor and is effective.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Great cleaner
Size: 16 Fl Oz (Pack of 1)
My floors look so good!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 5
good product
Size: 16 Fl Oz (Pack of 1)
it is used by our Eufy E25 and since the cleaning is done well I suppose this product does its job well.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
Best investment!!!
Size: 16 Fl Oz (Pack of 1)
Highly impressed after using this in my new home for several weeks. She saves me 1 1/2 hours a day keeping up on my floors-2700 sq feet, mostly laminate wood but I love walking into my primary bedroom and seeing her vacuum lines too! I get maid service daily!!! Still have to do edges, corners and be hind doors occasionally- but I wouldn’t be without my “Rosie Jenson” IYKYK😊
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Reviewed in the United States on March 15, 2026
