Acts 19:25

whom he called[Better, gathered] together with the workmen of like occupation His own special craft was the carving and engraving of these shrines, as we learn from the word rendered silversmith. But before the work reached that higher stage, the materials had to pass through many hands in preparation, and from the smelter of the metal up to him who added the final touches of adornment and polishing, all were concerned in the threatened loss of trade.

and said… our wealth He appeals to them at once because they are enriched and make gain by their craft.