Right Tunnelling Public Company Limited (RT). As part of the Highway No. 42 Construction Project from Khlong Ngae to Sungai Kolok Border Checkpoint, Ton Nont-Lam Ching Section, has leveled the area in front of the kindergarten building for Wat Lam Phot Chindararam School, Khlong Sai Sub-district, Na Thawi District, Songkhla Province.