metal / Rail systems / gas drainage boreholes / wall retaining infrastructure / unused gas drainage boreholes / metallic equipment / gas drainage borehole casings / communication systems / Gas drainage / blue metal stone / energy delivery / winder systems / mine earthing systems / machinery / installation site / steel cored belt / gas monitoring / Power conductor systems / transportable equipment / steel pipe / gas drainage system / borehole site / Surface infrastructure / rubber joining ring / gas drainage activity / energy / steel / /
This document was produced by Queensland mining-industry-based electrical personnel as a tool to assist mines protect their sites from lightning. While significant issues are raised, this document does not purport to cov