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Impressive Close Focus: The minimum focusing distances are quite remarkable: 2.1 feet at 100mm and 4.9 feet at 400mm

Glossary of soil science terms 2008, Spoil Science Society of America, Inc

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This tract is normally lined with a coating of mucus that traps infectious particles, but there are a number of factors that can weaken this protection and make dogs prone to kennel cough infection, which results in inflammation of the larynx (voice box) and trachea (windpipe)

FAQ about Temperature and Humidity Monitor Q: Why is monitoring temperature and humidity levels important for flammable and drying tobacco leaves