Common Contaminants:

* ceramic cups, plates and pottery
* Clay garden pots
* Laboratory glass
* Crystal and opaque drinking glasses
* Mirrors
* Windshields and window glasses
* Heat-resistant ovenware (for example, Pyrex or Visionware)
* Light bulbs

Other Contaminants:

* Ceramic and wire caps for beer bottles
* Lead collars from wine and champagne bottles
* Stones and dirt
* Metal caps, lids and neck rings
* Drinking glasses
* Hazardous glass containers (for example, acid containers)

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