The Ministry of Mines and Energy has observed that in the past, the transportation of all types of construction minerals, including rocks, gravel, sand, red clay, clay, rubble, etc., which traders, transport companies, transport from the mining site to various destinations for its commercial purposes, has caused serious environmental damage by transport excessive amount of sand, gravel and it spills on the roads, damaging the roads and affecting the safety and health of the people who live on the streets or travel along that road.

• Tiếng Khmer