Theinvestigationshowedthatthemetalreleasefromcommonusedmaterialsdidexceedthedrinkingwaterqualitydemandsforthemetalszinc,copper,nickelandlead,butnotforothermetals.

Please segment the words.
The investigation showed that the metal release from common used materials did exceed the drinking water quality demands for the metals zinc, copper, nickel and lead, but not for other metals.