screwdrivers
screwdrivers
this image filled title defines screwdrivers and its history . the four popular variants of the screwdriver explored in this title are the slotted screwdriver phillips screwdriver screw gun and hex keys . straightforward definitions along with labeled images will help kids understand the uses and value of each device . simple sentences and tool in use photos will have young readers ready to get to work sandcastle is an imprint of abdo publishing company .