concentrations in a sentence

Examples

1. Nor is he able to find dangerous concentrations in water samples.
2. We are simply not politically far enough to achieve such concentration.
3. Nerves, physical exertion, the crowd breaking down your concentration.
4. My concentration and focus have to be on winning this week,
5. Any concentration of power in America has to be looked at.
6. That could expose consumers to a frightening concentration of information sources.
7. That's because plotting the exchange points demands maximum concentration.
8. So you ride with a tremendous amount of focus and concentration.
9. Competitors say helmets make them lose their concentration, Lammers said.
10. It's just a matter of his concentration ."