rock excavation machinery,Excavation - Heavy EquipmentDredges are machines that are used to excavate are that are under water. Dredges are . A wheel trencher or rock wheel is composed of a toothed metal wheel.rock excavation machinery,TYPES OF SOIL EXCAVATION TOOLS AND MACHINES IN .There are different types of soil excavation tools and machines used in construction. . These are widely used for the works of soil excavations, weak rock strata.
rock excavation machinery