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The most famous carbon dioxide absorber (howequipmentworks.com)
178 points by bemmu 23 days ago | past | 74 comments
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38 points by jacquesm on May 30, 2022 | past | 3 comments
How Pulse Oximeters Work (2015) (howequipmentworks.com)
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Medical Equipment made easy to understand (howequipmentworks.com)
2 points by ksangeelee on July 9, 2016 | past

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