concentrations in a sentence

Examples

1. The concentration of contracts with a few suppliers also seems inexorable.
2. As always, there are areas where we need greater concentration,
3. Chess teaches concentration, creativity, problem solving and abstract thinking.
4. It taught him coordination, concentration and how to change leads.
5. He admitted that his concentration during the game wavered at times.
6. I was all over the track, my concentration was off.
7. It's a game of nerves, requiring incredible concentration.
8. Researchers measured concentrations of radon gas in homes for a year.
9. His entire family had been murdered in the Nazi concentration camps.
10. He died of starvation in the Theresienstadt concentration camp in 1942.