https://learning.hku.hk/ccch9051/group-1/files/original/183c13a06d506fa91ed1341723ea27ff.jpg 6ece923bba249ff98f9f53bbbb4c6507 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Tools Oral History A resource containing historical information obtained in interviews with persons having firsthand knowledge. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Gunpowder Subject The topic of the resource Black powder Description An account of the resource The earliest known chemical explosive. It consists of a mixture of sulfur, charcoal, and potassium nitrate (saltpeter).The sulfur and charcoal act as fuels while the saltpeter is an oxidizer. Because of its incendiary properties and the amount of heat and gas volume that it generates, gunpowder has been widely used as a propellant in firearms, artillery, rockets, and fireworks and as a blasting powder in quarrying, mining, and road building. Creator An entity primarily responsible for making the resource Unknown Date A point or period of time associated with an event in the lifecycle of the resource Tang Dynat Relation A related resource Elixir of life Format The file format, physical medium, or dimensions of the resource Production method Type The nature or genre of the resource Oral history Contributor An entity responsible for making contributions to the resource Chinese alchemists Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Weapon