1. Big waves will never build up in a small bay.
2. She has always been encouraged to swim to build up the strength of her muscles.
3. Carbon dust and oil build up in large motors and cause them to short-circuit.
4. The students in middle schools should build up a solid foundation in English.
5. Timid children need gentle handling to build up their confidence.
6. She's trying to build up a portfolio of work to show during job interviews.
7. The facts added together to build up a theory which was indisputable.
8. Don't let your resentment build up.
9. My visits enabled me to build up a broad picture of the culture.
10. The old engine still manages to build up a good head of steam.
11. It took her ten years to build up her publishing business.
12. We can build up the speed gradually and safely.
13. We first build up a detailed profile of our customers and their requirements.
14. He always found he could build up a good rapport with children.