Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Energol RD-E oils are formulated to lubricate pneumatically powered rock drilling machines, as well as the rotation gears of hydraulically powered machines. Available in ISO viscosity grades 100 and ...

As many contractors are finding, the shape of the aggregate is the key to success. A VSI crusher uses a rock lining spinni.... The Roadmasta is a great machine for making roadbase type material. This ...

Since then the rock drill has been nestled on the side of the highway, with many passerbyers wondering about the logistics of removing such a hulking piece of machinery. In what appears to be a ...