These symbols warn of possible dangers in the laboratory and remind you to work carefully. Safety Goggles Wear safety goggles to protect your eyes in any activity involving chemicals, ﬂames or heating, or glassware. Lab Apron Wear a laboratory apron to protect your skin and clothing from damage. Breakage Handle breakable materials, such as glassware, with care. Do not touch broken glassware.
Fumes Work in a ventilated area when harmful vapors may be involved. Avoid inhaling vapors directly. Only test an odor when directed to do so by your teacher, and use a wafting motion to direct the vapor toward your nose. Sharp Object Scissors, scalpels, knives, needles, pins, and tacks can cut your skin. Always direct a sharp edge or point away from yourself and others.
Animal Safety Treat live or preserved
animals or animal parts with care to avoid harming the animals or yourself. Wash your hands when you are ﬁnished with the activity.
Plant Safety Handle plants only as
directed by your teacher. If you are allergic to certain plants, tell your teacher; do not do an activity involving those plants. Avoid touching harmful plants such as poison ivy. Wash your hands when you are ﬁnished with the activity.
Heat-Resistant Gloves Use an oven
mitt or other hand protection when handling hot materials such as hot plates or hot glassware.
Plastic Gloves Wear disposable plastic
gloves when working with harmful chemicals and organisms. Keep your hands away from your face, and dispose of the gloves according to your teacher’s instructions.
Electric Shock To avoid electric shock,
never use electrical equipment around water, or when the equipment is wet or your hands are wet. Be sure cords are untangled and cannot trip anyone. Unplug equipment not in use.
Heating Use a clamp or tongs to pick up
hot glassware. Do not touch hot objects with your bare hands.
Flames Before you work with ﬂames,
tie back loose hair and clothing. Follow instructions...
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