A professional who inspects bottled beer or wine for foreign matter and defective bottles. Respnsibilities include:

• Examines contents of bottles for foreign matter, such as dirt and barrel or tank sediment, and bottles for defects, such as cracks, damaged caps or corks, and nicks.
• Observes bottles on conveyor belt passing in front of light and reflecting mirror or lighted frosted glass box or holds bottles up to unshielded light bulb, to examine bottle and content.
• Stores rejected or defective bottles in containers for disposal.