2.7K reactions · 145 shares | Jackleg Drilling Competition 2025 | Canadian Mining Expo | Facebook
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2.7K reactions · 145 shares | Jackleg Drilling Competition 2025 | Canadi…
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JACKLEG SECO S250 - SMI
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Here it is. No more jackleg drilling, which has proven reliable due to its robust design for harder hitting and faster rock penetration than any other. In modern drilling, a hydraulic drilling rig known as a boomer machine is utilized primarily in tunneling, mining, and underground construction. It is often referred to as a boom jumbo or drill jumbo and is designed to drill blast holes in rock surfaces. Support wire mesh is used to hold loose ground and rocks. #underground #Chililabombwe #mining
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Here it is. No more jackleg drilling, which has proven reliable due to it…
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