Related Clues:

• Paper or plastic
• Digital reading
• Examine small jug
• Do a job at the checkout aisle
• Part of a Breathalyzer
• Chatter over person's particular interest
• Read a QR code, e.g
• Search about in tin
• Swipe over a checkout laser
• All-in-one printer function
• TSA agent's test
• Help the checkout person, perhaps
• Medical check barely sufficient (time lacking)
• Target of a TSA X-ray
• CAT or MRI, say