Sub-level Caving- special method of Longwall for thick seam mining

Longwall advancing layout showing main gate ,tail gate,barrier etc/pdf in description

subsidence part1 - subsidence factor,Non effective width,critical width, super critical width,

Reg112 Depillaring operations

Elements of Longwall Face/layout of Longwall face - main gate , tail gate

safety features AFDSS in coal mines dumpers lakhanpur ocp mcl #coalindia #mahanadicoalfieldltd

Precautions to be taken while working in restricted area for recruitment also

Applicability conditions of Blasting Gallery method

Direct Rope haulage/pdf

Different type of Support || underground || khanan ज्ञान

Disadvantages of Bord & Pillar method-for 1st yr Diploma and 2nd yr degree

Depillaring and methods of depillaring/pdf

Longwall Mining Method in Hindi || Applicability Condition || Advantages and Disadvantages || Mining

Types of Powered support.

Advantages of Bord & Pillar method- for 1st yr Dip&2nd yr degree /pdf

Manner of extraction of pillars by slicing method/ Depillaring by slicing

Longwall Mining Operation - F.T.I. Pty Ltd

The Pressure Arch Theory. 0.2 kg/ cm2 per metre depth note it.

Highwall Mining Technology/Construction, Working, advantages & disadvantages of Highwall Miners

Integral caving - special method of Longwall mining to extract thick seam