Final answer:
If you drop or break glassware in the lab, ensure your safety by wearing protective gear, clean up the broken glass using a dustpan and broom, and dispose of it properly.
Step-by-step explanation:
If you drop or break glassware in the lab, first ensure your safety by wearing gloves, goggles, or safety aprons. Then, clean up the broken glass with a dustpan and broom. Finally, place all the broken glass into the designated waste container.