5. Rock Excavation Tools | Drilling and Excavation Technologies for .These devices have limited application because most rocks will not thermally spall (Maurer, 1968, 1980). Melting and vaporization drills utilize high-temperature devices such as lasers or electron beams to melt and vaporize rock (Figure 5.3). These devices have relatively low drilling rates because of the high energy.equipment excavation hard rock,rock excavation - Vermeerprogress, heavy-duty motors, and excellent cutting depths . additional equipment. — and the manpower to run it — is no longer needed when blasting is replaced with this exclusive surface excavating process. No Mine Haul Trucks. Large haul . Welcome to the newest generation of Vermeer rock excavation equipment!