The wide range of Asphalt Testing Machine offered by us are capable of undertaking all the tests. Various types of Asphalt Testing Machine are core drilling machines without cutter electrically operated, petro cum kerosene engine and without cutter diesel engine and last but not the least rock/concrete cutting machine.
Back — The roof or upper part in any underground mining cavity. Backfill — Mine waste or rock used to support the roof after coal removal. Barren — Said of rock or vein material containing no minerals of value, and of strata without coal, or containing coal in seams too thin to be workable.