Noseclip, plastic, foam-padded noseclips help increase the accuracy of spirometry results by eliminating the escape of air through the nostrils during testing
Book, Renewable Energy with Vernier, Recommended for High School, features 26 experiments in wind and solar energy, contains a combination of explorations, traditional experiments, inquiry investigations, engineering projects
Pulley, Triple Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
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