1.   An aquarium is only a small water reservoir into which only a few plant species can be planted.

2.   Although Portland officials decline to reveal specific precautions, security has been tightened around water reservoirs and public buildings.

3.   And it had a large, easy-to-fill water reservoir.

4.   And it was also very awkward to put the water reservoir back in place after it had been filled.

5.   And the water reservoir was not easy to fill.

6.   And the cover for the water reservoir was flimsy and did not fit well.

7.   A copper water reservoir with spigot humidifies the air and provides five gallons of heated water.

8.   Mountains are water reservoirs for the West, collecting and storing snow during winter.

9.   Neither should details be available about the fencing and gates around nuclear plants or the access roads leading to water reservoirs.

10.   Removing the water reservoir was not convenient.