One worker suffered spinal injuries.
Centennial Coal notified Origin of further production constraints at Mandalong.
The Underground Mining Assistant helps people mining underground to communicate.
Banpu's gross margins in Australia for the year were 7% compared to the 57% for Indonesia.
One of those injured is still being cared for in hospital.
The proposed Angus Place West project will produce up to 2Mtpa.
The industry was assessing and strengthening its policies in response to recent outbreak.
The funds were used to settle a $150 million revolving credit facility by Centennial.
Springvale Coal will provide underground workers with an Underground Safety Communication System.
Plans to turn old underground coal mine into a pumped hydro energy storage scheme.
At the Mandalong longwall mine an 8MW gas engine facility will generate electricity.
The worker was found unconscious, slumped over the controls.