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Abaodam 10 Sheets Semipermeable Membrane Teaching Aid Membrane Demonstrations Science Lab Supplies Membrane Materials for Students Science Supplies Cellophane Transparent healthDE_Feb2024 Enzyme-ContainedAbaodam 10 Sheets Semipermeable Membrane Teaching Aid Membrane Demonstrations Science Lab Supplies Membrane Materials for Students Science Supplies Cellophane Transparent Package List 10 Sheets of Cellophane Sheets Characteristics Enhances learning interest: using these cellophane sheets in experiments can spark students' curiosity and interest in scientific studies science lab supplies Color: Transparent cell membrane Unique design: the design of