I fully agree with the use of the crusher slower for ripping lips and I am considering using one myself. ... taken into account the manpower required for the preparation of the pack holes and for the erection of artificial pack walls. I am not disputing his figures. Mr Peake: It is almost a random figure, but as long as you get some form of dirt disposal one man can work the ... which, I understand, is primarily to reduce the temperature of any sparks formed rather than to reduce the dust hazard, anbsp;...
|Title||:||The Mining Engineer|