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Rock-drills. --- Caps (explosives) --- Blasting
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Tunneling. --- Rock-drills. --- Boring machines
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This Level 1 guided reader series explores how blasthole drills are used on construction sites. Students will develop word recognition and reading skills while learning about exciting construction machinery--
Rock-drills --- Blasting machines --- Boring
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Blasting --- Forage --- Rock-drills --- Abattage à l'explosif --- Fourrage
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Rock-drills. --- Offshore drilling --- Directional drilling --- Drilling fluids --- Drilling rigs
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Mining machinery --- Rock splitters (Machines) --- Splitters, Rock (Machines) --- Excavating machinery --- Rock-drills --- Machine parts
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Rock-drills. --- Mines et ressources minieres --- Open pit mining --- Exploitation a ciel ouvert
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