While field operator was inside the boundary of Sulphur blocking area to remove the build-up Sulphur using his right foot, he stepped on a thin crust of solid Sulphur which was not completely solidified underneath and his foots exposed to hot liquid Sulphur resulted in burn injuries on both ankles. He was initially treated at PDO Yibal clinic before being referred to Nizwa Hospital where revealed 2nd degree burn in the ankle.