Widening and deepening of shaft | Shaft Sinking | briefly explanation by Suman Sir

[@Dineshkumar-rv5pu]

Supports and Reinforcement: Examination of roof; Materials for support: Timber, masonry, concrete and steel supports; Storage, preservation and fire proofing of timber, Objectives and limitations of supports under different conditions; Rigid and yielding types of supports, Strata bolting; Roof stitching; Recovery of falls; shotcreting, cable bolting.
Sir in sab pr bhi video bana do please

[@MiningMantra]

Sure, till then stay tuned for updates

[@Dineshkumar-rv5pu]

Ok sir i am waiting for you video

[@shreekaalikamba9280]

What factors select mining types sir

[@SaurabhMishra-wg1uh]

thank you sir 😊😊

[@tanujajadhav981]

Sir muze notes chahiye the deepining shaft ke........😊

[@devidmehra2398]

Telegram link se join nahi ho raha h sir

[@maheshmisar4746]

Bohot badiya explanation❤

[@DuckDuck-jh4tw]

@Mahesh Misar Bhai aap konse field se ho

[@prakashsethy4241]

Sir morning

[@prakashsethy4241]

Words ka matlab thoda samaj nahi a raha he

[@bindaasboy2093]

Concepts clear nhi ho paa raha h 😑

[@prakashsethy4241]

Ek ek word ka mining samajh nahi a raha he

[@MiningMantra]

Kon sa word