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PF-D Metal Detectable Disposable Bio-based Corded Foam Ear Plug with Pinchfit™ Technology - NRR 32Revolutionary design requires no rolling and provides an easier, more hygienic fit Bio based materials made in North America the earplug, the stem, even the bag are bio based Soft, smooth, low pressure for excellent comfort Metal detectable (blue) recommended for use in the food industry Independently tested NRR 32 SNR 38 When stored in its original packaging, BioSoft maintains the same shelf life as standard PU foam ear plugs Sold by the Box
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Best in 7 days
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4.7 ★★★★★
Based on 738 reviews
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Product Reviews
★★★★★ 5
There are few who are capable of telling the story ...
Format: Paperback
There are few who are capable of telling the story of plate techtonics including critical details. Peter Molnar is one of those chosen few who can deliver such a story succinctly and precisely.
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Reviewed in the United States on February 12, 2017
★★★★★ 5
Very nice, but very short, book on the subject.
Format: Paperback
This is a very nice, but very short, book on the subject. I learned quite a bit and enough to delve into structural geology and related subjects.
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Reviewed in the United States on August 22, 2015
★★★★★ 4
Excellent 120 pages book on a complex subject.
Format: Paperback
I thought this was an excellent 120 pages book on a complex subject. It discusses a variety of subjects besides the title of plate tectonics and which are related to it: continental drift, oceanic seafloor spreading, fracture zones, subduction of tectonic plate edges, faulting, the creation of mountains and plateaus, earthquakes, volcanism, oceanic magnetic anomalies, and the locations of concentrated metallic ores. The text is accompanied by almost 40 sketches and diagrams elaborating on the discussions provided in the text.
The book also introduces the grand concepts of Earth geology such as the mantle, lithosphere, and asthenosphere. It also provides a short history of the development of the concept of plate tectonics.
Finally, the book provides specific detailed descriptions of the formation of major mountain ranges and plateaus such as the Himalayas, the Tibetan Plateau, Tien Shan, the Tarim Basin, the movement of Eastern Asia, the Andes, and the western US mountain ranges. It also gives a short description of the movement of India from the eastern edge of the African Plate to the Eurasian Plate over the past 90+ million years.
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Reviewed in the United States on February 14, 2023
★★★★★ 2
Books like this have to be leavened with a human dimension ...
Format: Paperback
This book is too technical for people who are new to the subject of plate tectonics. In fact, I think it is fair to say that if you can understand this book you don't need to read it but if you need to read it you won't understand it. Books like this have to be leavened with a human dimension in the form of stories about people. This book has such stories but they are very brief and tend to get burried under the tecnical detail. There are other books in the "A Very Short Introduction" series which give far more accessible introductions to plate tectonic (e.g. "Earth Science: A Very Short Introduction"). I would suggest that anyone who was entirely new to the subject should read one of them instead.
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Reviewed in the United States on July 16, 2016
★★★★★ 5
Lathers and cleans with a fresh pleasant scent
Size: 6 Fl Oz (Pack of 1), Style: Facial Cleanser
Have reordered this cleanser a couple times now, it lathers and cleans well, has a fresh pleasant scent and is not heavy or irritating.
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Reviewed in the United States on January 30, 2026
