Abylkas Saginov Karaganda Technical University Njsc 1

1. STUDYING CHARACTERISTICS OF THE HEAT PIPE OF A LOW-PRESSURE STEAM ELECTRIC HEATER WITH DIFFERENT TYPES OF HEATERS
2. EXPERIENCE IN THE USE OF SELF-PROPELLED DRILLING RIGS TO INCREASE THE EFFICIENCY OF DRILLING AND BLASTING OPERATIONS WITH SUBLEVEL MINING SYSTEMS
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