Discover Heavy Equipment in this Beginning Reader It's time for dump trucks, backhoes, bulldozers and more! There are lots of different dog breeds and each dog has different things to know about it. Beginning readers will learn all about heavy construction equipment in this short, leveled reader. Here is an example of the text level: Construction workers use heavy equipment all day. An excavator is used to dig. Discover Reading series books from Xist Publishing are created with digital and print reading in mind. Each page features a photograph with descriptive text leveled for early readers.