On a whistlestop visit to Tata Steel the Prince commemorated the rebuilding of blast furnace number four - a major £185 million project.
He was then shown a video about the lightweight super-strength steel which could transform safety for British soldiers.
As Charles was taken around the marquee, children from Eastern Primary School performed a series of festive songs.
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It will be cloudy and misty tonight with outbreaks of rain.
The icy area where the man fell at Clogwyn Coch has been described as an "accident blackspot".
Fire services are dealing with a blaze at a disused chapel in Deeside. The fire started around 12:22 this afternoon on Glynne Street.