Direct initation & Inverse initation ( charging of holes in ug coal mines) in deg 1- 1000gms
What is Dilation? support of Freshly exposed roof.
Rock blasting , Control blasting work Drilling work
Precautions in the solid blasting/conditions for solid blasting.Gas checking within 20m radius
DETONATOR ELECTRIC DETONATOR ELECTRONIC DETONATOR DELAY DETONATOR
Solid blasting | Conditions to be satisfied before Solid Blasting | Advantages of Solid Blasting
Cast blasting or throw blasting - for all mining students
NONEL/Shock tube & its advantages
Regulation 85 of CMR2017& Explanation of factor of safety
Detonators description/pdf/definition of detonator, non incendive delay detonator/Caps/blasting caps
Drilling pattern with delay sequence
Permissible limit of gases in mine air/Thresh hold limit value of noxious(poisonous) gases
Запрещённый способ укоренения, который заменяет химию и даёт результат за 7 дней, но о нём молчат
free face, burden, spacing, emulsion explosive
Spoil dump and slope failure Open cast mining
Duty in overman
Complete procedure for shotfirer (including precautions) / Blasting procedure - for 1st yr
Сода — убийца или спасение? Врач развеял мифы, которые убивают. Кому 55+ смотреть обязательно
PPV & Charge Per Delay With Solved Examples
Presplitting Blasting Techniques part 1