"4500 L2": HTML5 Crossword

Across

1. Large group of people (5)
4. Formed a group of people (8)
6. Talked into believing or doing (9)
7. Energy source (4)
9. Short and quick (5)
11. You put a letter inside and send it by mail (8)
12. Absolutely necessary (9)
15. Fixed with thread and needle (6)
16. Put clothes in a suitcase (6)

Down

2. Choose (6)
3. Free from control by others (11)
5. Put together with thread and needle (5)
8. Stopped from having or using (8)
10. Suddenly understood (8)
13. Endure/stand/tolerate (4)
14. From this area (5)
16. Small dirt road (4)