in the Canary Islands, ( Tenerife ) applies to the worker who does a job without any importance, and seems to come from a vulgarizacion of the phrase CAN CHANGE ON that is put on the docks when foreign ships had to indicate that is could change the currency on a parquetry post which rode and where also are sold articles. The subject that less " 34 lights; I had is you put only to change the money and not to sell.
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