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# GC I FINAL EXAM STUDY GUIDE ## Safety * When mixing chemicals, you should always wear safety goggles. * Never put water into acid. * Only one person at a time should operate the paper cutter. * All chemicals should be mixed over the sink. * Place all used press cloths in designated saf...

# GC I FINAL EXAM STUDY GUIDE ## Safety * When mixing chemicals, you should always wear safety goggles. * Never put water into acid. * Only one person at a time should operate the paper cutter. * All chemicals should be mixed over the sink. * Place all used press cloths in designated safety containers. * MSDS stands for Material Safety Data Sheets. * Report any accidents to the instructor. * Store flammable and combustible items in the yellow fire safe cabinet. * Do not stack materials on machines. * If a chemical splashes into your eyes, you should rinse your eyes with water. * The purpose of a safety and health program is to recognize, evaluate, and control potential hazards in the workplace. ## History * Printing is a means of Graphic Communications. * What materials were used before the invention of paper as a substrate? * Stone * Wood * Papyrus * Parchment * Ancient Egyptians wove reeds together to form a printing substrate known as screens. * Johannes Gutenberg is known as the "Father of Printing".