UNIT 13: CONSTRUCTION TOOLS
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INTRODUCTION
Workers use many tools to build. Some tools are simple, like hammers. Some are big machines, like excavators. Every tool has a special job. Knowing the right tool for the job is important.
STORY 1: Hand Tools
Hand tools are tools that you hold with your hands. A hammer is used to drive nails into wood. A screwdriver is used to turn screws. A wrench is used to tighten bolts. A saw is used to cut wood. A level checks if a surface is flat. A m