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.
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.Traditionally screen printing was done with screens made out of silk (hence the name) but today polyester screens are more common since they often cost less.nce you choose the type of silkscreening press you want to use, do not interchange the type of ink. The result may resemble âjelloâ in its worst form. As for options within each ink classification, all of these machines usually rely upon Epson inkjet print heads.