Automation in quarries is on the increase, and is said to help improve production while monitoring vital functions. Patrick Smith reports. An automation system in the primary crusher at Pedreira Guaravera, that is said to have increased production by 40%, has been implemented by Metso. It is also said to have eliminated bottlenecks in the crushing line and provided greater homogeneity in production as well as better control over the process. Situated in the north of Paraná state, Brazil, Pedreira Guaravera