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back screen for teacher to observe the results
and applications requiring high heat resistance
ensuring long-lasting performance
one milky base sheet
Samples of 10 Minerals for Mohr's Scale Tester with Wooden Box back screen for teacher toComprehensive Kit: Explore mineral hardness with this Mohs Scale Hardness Tester, featuring a natural crystal fluorite and a set of 10 mineral specimens for hands on learning in geographic science teaching. Wood Box Hardcover: The kit includes a durable wood box with a hardcover, providing secure storage for the Mohs Hardness Tester and the geological teaching instrument specimens. Geological Teaching Instrument: This set serves as a valuable
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