of measurement equaling 12 points or 4.5mm. Embossed A method of paper finishing whereby a pattern is pressed into the paper when it is dry. Embossing To raise in relief a design.... Mechanical A term used to describe finished artwork that is camera ready for reproduction, including all type, photos, illustrations etc. Metropolitan Service Area A group of ZIP..., sensitizing, exposing through the flat, developing or processing, and finishing. PMT Photomechanical transfer. Point A measurement unit equal to 1/72 of an inch. 12 points to a pica...