Step 1 · Read the article
Open the article and read it at the level above. Then answer the questions below in your own words.
https://smallwhale.org/articles/uni-directional-vehicle
Step 2 · Questions
1. What is the related fields?
2. Why do factories use uni-directional vehicles?
3. How do uni-directional vehicles help people at airports?
Step 3 · Words to know
Write what each word means, using the article.
Operational envelope
Peristaltic pump
Logistics
Step 4 · Two facts in your own words
Do not copy the article. Write two things you learned, the way you would explain them to a friend.