Machines
- 2. A machine is something we use to make work easier.
Machines can be simple or complex:
- 14. We use a hammer to knock nails into a surface
- 15. We use screws to fix
objects together.
We use a screwdriver to
turn screws.
- 16. We use nuts and bolts to hold objects together.
We use a spanner to turn bolts.
- 17. We use a saw to cut wood
or other materials.