Which process reduces the risk of static electricity build-up in an industrial setting?

Grounding machinery is fundamental in reducing the risk of static electricity build-up in industrial settings. When equipment and machinery are properly grounded, they provide a safe pathway for static electric charges to dissipate into the earth. This is crucial because static electricity can build up on surfaces or within materials, particularly when there is friction or movement. By grounding, you ensure that any accumulated charge is safely discharged, thus minimizing the risk of sparks that could lead to fires or explosions in environments where flammable materials are present.

While increasing humidity can also help reduce static electricity by adding moisture to the air, it is not as effective as proper grounding. Limiting movement may reduce the generation of static but does not address underlying issues of charge accumulation. Separating machines might help with other operational factors but does not specifically mitigate static charge risks. Hence, grounding machinery stands out as the most effective method to control static electricity in an industrial setting.