https://youtube.com/shorts/G6vU2OQFz2o?si=PIh-XQUWSjcRFcga https://youtu.be/6fQpVrckXPE?si=nErKWnsLhUWNMI58
281,347KM-400KM=280,947KM
https://youtu.be/Vpy3ucLA7Ik?si=Xwl6HsAduOmbyhWq
លុបបំបាត់កន្លែងដើមនៃក្រុមក្លែងបន្លំ លុបចោលការចុះបញ្ជ
省電費累計：台幣2,100圓+100圓=2,200圓