• The terms of protection, levels of protection, vertical deflection limits of vertical development works,
• shaft bottom and spatial works.
• Methods of protection vertical works.
• Strategic protection measures for mining in the vicinity of the vertical work during
• pillarless conquest.
• Mining protective areas around the mine works.
• Tactical protective measures for reinforcements, equipment and software vertical works.
• Methods of calculating the effects of pre-mining activities in the effective distance
• vertical work.
• Observation of movements and deformations of mining and coal seams in the vicinity of vertical works.
• shaft bottom and spatial works.
• Methods of protection vertical works.
• Strategic protection measures for mining in the vicinity of the vertical work during
• pillarless conquest.
• Mining protective areas around the mine works.
• Tactical protective measures for reinforcements, equipment and software vertical works.
• Methods of calculating the effects of pre-mining activities in the effective distance
• vertical work.
• Observation of movements and deformations of mining and coal seams in the vicinity of vertical works.