(sÅâ²lÉr). adj. 1. Of, relating to, or proceeding from the sun: solar rays; solar physics. 2. Using or operated by energy derived from the sun: a solar heating system.dj. 1. Of, relating to, or proceeding from the sun: solar rays; solar physics.
The main printing techniques are screen printing, block printing and photocopying. Letterpress, lithography, flexography, and gravure printing are used in commercial manufacturing. Finishing techniques enhance the final product. Different packaging materials perform different functions. There is certain information that must be provided on packaging by law.
The two types of commercial printing that are classified as relief printing are letterpress and flexography. In both cases, the image to be transferred to paper or other substrate is raised above the surface of the printing plate. Ink is applied to the raised surface, and then the plate is rolled or stamped onto the substrate. The relief printing process is similar to using an ink pad and rubber stamp. Before the inventions of desktop computers and offset printing, most printing was some form of relief printing. Although the image to be printed is raised on the printing plate, relief printing does not create raised letterings such as is found in embossing and thermography. Flexography