**Here are 10 examples of using the word «buoyancy» in English:**
1. The life jacket provided buoyancy to the swimmer, allowing him to stay afloat in the water.
2. The ship's buoyancy system ensures that it stays afloat even in rough seas.
3. The hot air balloon's buoyancy is created by the heated air inside, which makes it lighter than the surrounding air.
4. The company's new marketing strategy has boosted the team's morale and buoyancy, making it more resilient in the face of challenges.
5. The buoyancy of the economy has been supported by strong consumer spending and business investment.
6. The diver used weights to adjust his buoyancy in the water to achieve the desired depth.
7. The buoyancy of the inflatable raft helped to keep the passengers safe during the storm.
8. The buoyancy of the market has been supported by a growing demand for renewable energy sources.
9. The buoyancy of the ship was tested before it set sail to ensure its safety.
10. The buoyancy of the toy boat allowed it to float on the surface of the lake.