กิตติกรรมประกาศ
This project was structured promoted and supported with the help of school administrators as well as teachers of the work and technology department. Thank you to the management of Nangrong municipality, Mr.Skip Dufour and Mrs.Suparat Khonchum for taking the time to advise the board puzzle (crossword board) and making comments for the project.
We have to thank you very much for this opportunity.