1. Clean the blackboard immediately.
⟶ Let .

2. Prepare the conference room for the meeting.
⟶ Let .

3. Send the package to the client today.
⟶ Let .

4. Organize the files before the end of the day.
⟶ Let .

5. Repair the broken window.
⟶ Let .

6. Water the plants every morning.
⟶ Let .

7. Lock the doors after the office closes.
⟶ Let .

8. Update the software on all computers.
⟶ Let .

9. Check the safety equipment before use.
⟶ Let .

10. Don’t press the red button.
⟶ Don’t let .

11. Don’t spill the water.
⟶ Don’t let .

12. Don’t break the vase.
⟶ Don’t let .

13. Don’t reveal the secret.
⟶ Don’t let .

14. Don’t turn down the volume.
⟶ Don’t let .

15. Don’t delete the files.
⟶ Don’t let .

16. Don’t ignore the instructions.
⟶ Don’t let

17. Lock the cabinet after taking the files.
⟶ Let .

18. Install the new air conditioners in the office.
⟶ Let .

19. Paint the fence around the school.
⟶ Let .

20. Don’t close the gates.
⟶ Don’t let .

21. Don’t damage the equipment.
⟶ Don’t let .

22. Don’t move the boxes.
⟶ Don’t let

23. Don’t stop the engine.
⟶ Don’t let .

24. Clean the laboratory after the experiment.
⟶ Let .

25. Organize the books in alphabetical order.
⟶ Let .

26. Test the fire alarm system today.
⟶ Let .

27. Don’t mix the chemicals.
⟶ Don’t let .

28. Don’t misplace the documents.
⟶ Don’t let .

29. Don’t forget the password.
⟶ Don’t let .

30. Don’t block the emergency exit.
⟶ Don’t let .