The best answer here would be pencil.
Artists use pencil to make sketches and create studies. They then use these sketches and studies to create their final larger piece. They use pencil because it's quick, can be corrected, lightweight and easy to use. Before pencils artists would make charcoal drawings but once we had pencils it made sense to use them as they aren't messy like charcoal.
The towers of most suspension bridges are made of steel, although a few have been built of steel-reinforced concrete.
From these decisions, your group is benefiting from specialization.
1. eating right is very important so you dont get diabetes.
2. exercise it has many benefits to your health and can prevent many diseases.
3. brushing your teeth now I know it might sound weird, but it will help fight gum disease.
Hope this helps
