Another cause of sore throat is allergies that promote postnasal drip. There are, however, more serious conditions of the sinuses and throat that may cause the throat to be sore. If you are experiencing an ongoing sore throat, ask your ear, nose, and throat specialist to examine you.
1907: Samuel Simon patented the first screen printing method in Manchester, England, which was most commonly applied to wallpaper and expensive fabrics. He used rubber bands or squeegees, which are still commonly used in the screen printing process today.
What is Screen Printing and Serigraphy? We're all used to printing our designs and documents on white paper with printer ink and toner cartridges, but we're also aware that we can print on other materials than just these if we want to. That's where silk screen printers and serigraphy comes in. Silkscreening is the method used to print designs on anything from T shirts, fabric and even wood. How does silkscreen printing work? How Silk Screen Printing Works. While silkscreening is a type of printing, the silk printing press machine used is not quite like the printer you're thinking of. As you might guess, screens are key to the silk screen printing method. Much like an art canvas, the screen or mesh is stretched very tightly over a frame.