https://joy.videvo.net/videvo_files/video/free/2014-12/large_watermarked/WS_TRENCH_EDIT_1_preview.mp4 Trencher in Operation Wide Shot of trencher digging while another piece of equipment moves off in the foreground 1080pbuildbuildingcaterpillarconstructiondemolitiondiggerdiggingdirtengineeringequipmentexcavationexcavatorfoundationsgravelheavymachinemachinerymechanicalmovingplantrubblesitetrencher