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- In the early days of coal mining, workers had to rely on rudimentary tools such as picks, shovels, and wheelbarrows to extract coal from the earth. These tools were not only labor-intensive but also posed significant safety risks. Miners worked in cramped, dark conditions, often exposed to harmful gases and the risk of cave-ins. Despite the dangers, their dedication to extracting coal was unwavering, driven by the growing demand for this vital energy source.
- 4. Percussion Drills Percussion drills use a pneumatic hammer to drive a cutting tool into the ground. They are ideal for drilling deep holes and are often used in mining and geological exploration.
- However, it's important to note that carbon steel bits have their limitations






