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The extended rod has a clear flat surface to mark own scales of measurement using a dry wipe marker
For the demonstration of comparison between metal thread and other solid threads
ensuring reliable and accurate results for laboratory and chemical applications
Length of face line 210 mm
The water resistance ensures the longevity of the sensor even in experiments with liquids
Write & Wipe Graph Desk Mats Set of 30 The extended rod has aLearning resources desk mates write and wipe math graphs. Reusable mats allow students to display scientific data. Great for students to use during math and science lessons. Use with wet or dry erase markers. Features graph squares on both sides with labeling lines on one side only. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in classrooms, household and educational settings. If you need
