Workers and machines make things in a factory.

Many factories have an assembly line. Things are built step by step.

A worker does the same job again and again.

A belt carries things along. It is a conveyor belt.

Doll bodies go down a line. Workers add arms, legs and heads.

🚗Cars are built on assembly lines too.

Before factories, most things were made by hand.

Cloth was made in a factory long ago.

Words to know

• factory: makes things
• conveyor: moving belt
• assembly: putting together
• machines: tools that work