"There are countless machines that help out on a construction site. Everything from a bulldozer to a crane has a very special job. Do you know what it is? Lift the page to learn about what each machine does and discover what happens when they all work together!"--
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"There are countless machines that help out on a construction site. Everything from a bulldozer to a crane has a very special job. Do you know what it is? Lift the page to learn about what each machine does and discover what happens when they all work together!"--
Read Less
