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.
However, it is suspected that book printing may have occurred long before this date. In 1041, movable clay type was first invented in China. Johannes Gutenberg, a goldsmith and businessman from the mining town of Mainz in southern Germany, borrowed money to invent a technology that changed the world of printing.Johannes Gutenberg invented the printing press with replaceable/moveable wooden or metal letters in 1436 (completed by 1440).owever, it is suspected that book printing may have occurred long before this date. In 1041, movable clay type was first invented in China. Johannes Gutenberg, a goldsmith and businessman from the mining town of Mainz in southern Germany, borrowed money to invent a technology that changed the world of printing.