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.
Milestones in the history of computer printers. 1  In 1953, the first high-speed printer was developed by Remington-Rand for use on the Univac computer, while the first dot matrix printer was marketed by IBM, in 1957, the same year that the dye-sublimation printer entered the market.