Mine power systems

This English-language resource introduces mine power systems, contrasting historical compressed-air power with modern electrical dominance. It reviews fundamentals of compressed-air and electrical power, components like compressors, receivers, and distribution networks, and typical air-operated machines. The unit includes reading comprehension, pronunciation practice, vocabulary activities, speaking/debate tasks, a focused watching activity on the Cat HW300 Highwall Mining System, and grammar exercises (passive voice; used to/be used to/get used to), concluding with a Kahoot review.