Mine Gases and Mine ventilation| Part-2 Nitrogen and Nitrous Fumes|complete details

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Nice sir

[@SaurabhMishra-wg1uh]

Prospecting & Exploration- Reconnaissance, Principles and methods-Trenching & Pitting. Boring: Principles of boring; surface layout; method of percussive, rotary, (drilling), properties of drilling muds, Core recovery: Interpretation of borehole data, borehole logging, difficult boring, directional drilling, deflection of boreholes, Difficulties in boring. Drills & Drilling: Types of drills, drilling accessories, drillability of rocks, diamond drilling, Jack hammer, Drifter, Drill Jumbo. " Sir please please cover these two topics in two different videos it will help me a lot , you are doing great job sir , there are no any channel for mining engineering on KZbin, please sir make two videos on that two topics ,it will get me passed in my semester examinations, please sir

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Make more video