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In 2008, Kurt started to experience things that hadn't bothered him before: dry skin, fatigue, irregular bowel movements and a white coating that formed over his tongue.

Most notably, chromium 6 is used as a durable, anti-corrosive coating — known as chrome — for a variety of automotive and aviation parts, as well as a protective coating to lumber products.

Processing the pictures, from coating the plate to presenting the developing image, can feel a bit like a ceremony.

So if you were hoping for a brown sugar coating or a sugary marinade here, you'll be disappointed.

This is "owing to a combination of their complex modern materials, lack of a traditional coating layer, and intensity of flat colour fields, which make even the smallest areas of damage instantly perceptible," she said.