The invention of movable type has authorized for documents which include textbooks for being mass made. The main movable sort procedure was invented in China by Bi Sheng,[ten] during the reign of the Music dynasty, in which it was used to, amongst other items, situation paper money.[eleven] The oldest extant https://admission-bhopal-cbse-sch35689.pointblog.net/detailed-notes-on-mass-production-69229051