Assertion: ozone | /r/ObjectUse | used for over 100 years
Facets:
value: around the world
type: LOCATION
Source sentences:
text: Ozone has been used for disinfection of drinking water in the Municipal Water Industry in Europe for over 100 years and is used by a large number of Water Companies, where ozone generator capacities in excess of 100 kg/h are common.
text: Ozone and other oxygen therapies have been used for over 100 years around the world for human and animal healing.