Thermal work limit
... that the Thermal work limit has led to a substantial decrease in incidences of heat illness in the Australian mining industry?
... that the <b id="mwCBI"><a href="./Thermal_work_limit" id="mwCBM" rel="mw:WikiLink" title="Thermal work limit">Thermal work limit</a></b> has led to a substantial decrease in incidences of heat illness in the Australian mining industry?