It's important to know the difference in types of artwork required for camera-ready artwork for your orders. In many cases your distributor will provide artwork services for a fee. Also a knowledgeable customer who understands the different printing techniques such as silk screen, pad printing, embossing, engraving and the like help you understand the costs and the lead times invovled in your ad specialty order. Also understanding production and proofing may facilitate your order. More to come on spec samples ...