Across
- 3. washed your hands __ before leaving the laboratory.
- 5. Never use __ liquids near a naked flame.
- 6. students should always work thoughtfully and purposefully. Practical __ and other acts of carelessness are strictly prohibited.
- 8. Damaged equipment, breakages, __ and spillage should be immediately reported to the teacher.
- 9. What type of experiments are prohibited?
- 10. Students must not __ or work in laboratories unless a teacher is present.
Down
- 1. Apparatus or chemicals must not be taken out of the laboratory without the __ of a teacher.
- 2. Eating and drinking are __ in laboratories.
- 3. Never __ chemicals or other materials.
- 4. Safety __ must be worn whenever there is any risk of injury of the eyes.
- 7. __ all apparatus to the respective storage places