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What does the word excavate mean?
to dig a hole
What do a grader and a roller help building?
smooth out a new road
What are large scrapers used for?
to get rid of trees, bushes, and small hills
What are a juggernaut, aeroplane, and sky crane used for?
carry things from one place to another
Which big machine is used to move barges and large ships?
tugboat
What is a bulldozer used for?
to move dirt around
Read this sentence: Oil tankers carry a massive amount of oil. The word massive means .
very large
