The lab measured the concentrations of pollutants in each water sample.

She concentred her energy on finishing the report before the deadline.

While concentring on the final chapter, Maria lost track of time and missed her bus.

The technicians inspected the concentrators before the solar farm began operation.

She was concentrating on the exam when the fire alarm went off.

The ripples spread concentrically across the pond after the stone hit the water.

She concentrates on the piano scales for an hour every afternoon.

The laboratory stores the chemical concentrates in a refrigerated cabinet to preserve their stability.

The engineer measured the concentricness of the shafts to ensure smooth rotation.

Her concentrativeness improved after she started meditating daily.