Throughout the past, officials have tried to use a backhoe to dig up the sticky soil to open up a search channel, while also having officials use their hands to help dig the soil and open up air spaces for the missing person. At the same time, sheet piles have been installed to prevent landslides on all 4 sides around the well to prevent the soil from sliding down again during the drilling process.
credit : สล็อตเว็บตรง