Blasthole Drill

Blasthole Drill book cover — Table of Contents 5 Breaking It Up 9 Motors and Bits 15 Fire in the Hole 19 Roads Trenches Mines Find Out More 22 22 Glossary 23 Home and School Connection 24 24 Index About the Author

Blasthole Drill — page 1

Blasthole Drill — page 2 — Breaking It Up Blasthole drills make holes in rock They help break the rock apart 5

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