1. Theory of disintegration, drilling and drilling theory
2. Drilling machines and equipment
3. Machines and equipment for rough stone production
4. Crushers and mills
5. Pneumatic hammers, splitting machines
6. Machines and equipment for fine stone production
7. Cutting machines
8. Grinding machines
9. Unconventional disintegration methods
2. Drilling machines and equipment
3. Machines and equipment for rough stone production
4. Crushers and mills
5. Pneumatic hammers, splitting machines
6. Machines and equipment for fine stone production
7. Cutting machines
8. Grinding machines
9. Unconventional disintegration methods