What physical characteristic of a bottle can sometimes cause problems for optical sorting equipment at a Material Recovery Facility?

Answer

Crushing or flattening the bottle

Optical scanners used for sorting rely on the container's full shape to correctly identify the material, and crushing or flattening a bottle can interfere with this identification process.

What physical characteristic of a bottle can sometimes cause problems for optical sorting equipment at a Material Recovery Facility?
inventionMaterialplasticbottle