Рет қаралды 73,980
today the excavator started working, filling a truck with sand and gravel, suddenly the cliff next to it started to move, small landslides occurred, many times, the heavy equipment operator started to worry that there would be a big landslide, because the sand only stuck to the cliff wall, then the operator the machine takes appropriate action dredge the sand before a major landslide occurs#sandmining #excavator