100 Sheets Press-n-Peel Blue PCB Transfer Film, Printable A4 Size Your students will- Understand the

Your students will- Understand the sources of bacterial contamination in water Collect water samples and inoculate agar plates Identify and count bacterial colonies Observe bacterial smears under the microscope Learn the effects of bacterial contamination of water on human health and ways to minimize the risk of contamination

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Transistors (2 ea) 2N3904

100 Sheets Press-n-Peel Blue PCB Transfer Film, Printable A4 Size Your students will- Understand theNote: May not work well with later model Brother brand copiers and laser printers. 100 sheets of Printed Circuit Board transfer film for high precision, professional layouts. Adds extra layer of resist for super fine lines (less than 5 mil) and solid ground planes on single and double sided copper clad. Works with plain paper copiers and laser printers (Note: Not for use with inkjet printers). Eliminates darkrooms, chemicals, negatives and copy