FIRE the lab supervisor! See the image below.
• No safety glasses — All students except #6.
• No lab aprons — All students except 2, 6, and 8.
• Eating in lab — #1
• Standing on one foot (unstable) — #1
• Not watching what he’s doing — #1
• Smelling fumes directly from test tube (should waft!) — #2
• #3 is either cutting up food in the lab or dissecting a biological specimen (in the chem lab??) without safety gloves
• Sitting on high stool (unstable) — #4
• Heated test tube pointed directly at face — #4
• Long hair not tied back (fire hazard) — #5
• Heating unsupported beaker in bare hand — #5
• Popping a paper bag (the “explosion” will startle other students, possibly causing accidents) — #7
• Dumping chemicals into the sink — #8