As nouns the difference between blad and blay
is that blad is a single sheet for use in a display book, illustrating a particular product available from a wholesaler while blay is the bleak (fish).
blad
English
Noun
(
en noun)
(AU, wholesale, food trade) A single sheet for use in a display book, illustrating a particular product available from a wholesaler.
Usage notes
* The term is normally only used in the confectionery and soft drink markets.
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