excavation and grounwork line icons and signs. groundwork, digging, grading, demolition, drilling, trenching

excavation groundwork digging grading demolition drilling trenching dredging piling hauling hammering subgrading compacting landscaping clearing filling pulverizing embankment regrading compaction landforming plowing subsoiling levelling excavating contouring blasting shaping tipping sloping disposing diggingout subdividing partitioning coring blading moving subtrenching backfilling earthmoving landscraping icon vector line