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Control system: controlled by single chip microcomputer
6 Wet Tissues
it consists of 2 plastic hemispheres with an effective O-ring seal and 6mm plastic valve
Depth measuring bar
(100 Feet)
Model of Earth Shell Development Control system: controlled by singleModel of Earth Shell Development This model can be used as a visual aid in schools for Geology lessons. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in geology classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
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