1.   And they say they will have to spend exorbitant sums to set up no-smoking areas with air purification systems or separate ventilation.

2.   All the hot tubs are equipped with state-of-the-art purification systems.

3.   Casmyn has already established business interests in Ghana with its water purification treatment systems through its wholly-owned unit, Vector Environmental Technologies Inc.

4.   Fifty years ago, Aquafine Corp. got its start in a tiny downtown Los Angeles office designing air purification systems for industrial chicken farms.

5.   He said that even in hospitals, sanitation and water purification systems were virtually nonexistent, because the country lacks chlorine for purification and fuel to run water pumps.

6.   How to deal with its clogged purification system?

7.   In April, coolant seeped into the primary air purification system, causing it to fail.

8.   It could be used in sewage treatment plants or in home purification systems.

9.   Jacobus said that the water purification system at the White House means that additional steps are not needed.

10.   That meant that the cooling system and the primary breathing air purification systems were operating.