In sublevel stoping operation the draw system is generally
Experience is (the best teacher)
When the material collected, to represent a rock quantitative sense then it is termed as: a) Sample b) Specimen c) B oth d) None of the above
He said, "Are you doing your job?"
Rill stoping method is a form of
Which of the following physical properties of rocks has the widest range of variation
Which of the following is one of the mode in Reflex Klystron
Long-hole drilling with crater blasting is used for the construction of