1. The document discusses various printing techniques including screen printing, etching, woodcut, lithography, letterpress, gravure, photocopying, laser printing, inkjet printing, and desktop publishing.
2. Older techniques like etching, woodcut, and letterpress involve carving or etching images onto surfaces like metal plates or wood blocks to create the print, while newer digital techniques use technologies like photocopiers, laser printers, and inkjet printers.
3. Each technique has advantages like the ability to mass produce identical circuits with etching or produce vibrant colors with screen printing, but they can also have disadvantages like the use of chemicals with etching or limitations on textures with woodcut.