MANAGEMENT

Beating the rat hole

AN ENGINEERING firm reckons it has an answer to stop rat holes eating away at miners’ profits.

Noel Dyson
Rat holes inhibit free flow of mined material.

Rat holes inhibit free flow of mined material.

These wasteful, energy-consuming and sometimes dangerous events occur when handling cohesive materials such as iron ore and wet coal that are stored and conveyed in vessels with a funnel flow discharge...

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