(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.
History of printing. Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a drum to define a differentially charged image.