["item",{"itemId":"13","public":"1","featured":"0","xmlns:xsi":"http://www.w3.org/2001/XMLSchema-instance","xsi:schemaLocation":"http://omeka.org/schemas/omeka-xml/v5 http://omeka.org/schemas/omeka-xml/v5/omeka-xml-5-0.xsd","uri":"https://learning.hku.hk/ccch9051/group-1/items/show/13?output=omeka-json","accessDate":"2026-07-17T00:44:13+08:00"},["fileContainer",["file",{"fileId":"11"},["src","https://learning.hku.hk/ccch9051/group-1/files/original/153906eb5078335a1bd914be9ae98ab2.jpg"],["authentication","ee09d9ee6da741d9d7bfe672a0dd1a11"]]],["collection",{"collectionId":"7"},["elementSetContainer",["elementSet",{"elementSetId":"1"},["name","Dublin Core"],["description","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/."],["elementContainer",["element",{"elementId":"50"},["name","Title"],["description","A name given to the resource"],["elementTextContainer",["elementText",{"elementTextId":"140"},["text","Skills and Knowledge"]]]]]]]],["elementSetContainer",["elementSet",{"elementSetId":"1"},["name","Dublin Core"],["description","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/."],["elementContainer",["element",{"elementId":"50"},["name","Title"],["description","A name given to the resource"],["elementTextContainer",["elementText",{"elementTextId":"57"},["text","Frying Steel and Extremely Fine Steel Technology"]]]],["element",{"elementId":"41"},["name","Description"],["description","An account of the resource"],["elementTextContainer",["elementText",{"elementTextId":"58"},["text","Frying steel is to heat the pig iron to a semi-liquid, semi-solid state (ie, molten state), and then stir. Decarbonization is performed using oxygen in air or iron ore fines to obtain iron or steel technology. Extremely fine steel is steel fried and forged repeatedly using fried steel as raw material. From the analysis of unearthed cultural relics, frying Steel and extremely fine steel have been widely used in the early Eastern Han Dynasty at the latest. This steelmaking technology has greatly improved the quality of iron and promoted the development of social production.\r\n"]]]],["element",{"elementId":"40"},["name","Date"],["description","A point or period of time associated with an event in the lifecycle of the resource"],["elementTextContainer",["elementText",{"elementTextId":"60"},["text","Eastern Han Dynasty"]]]],["element",{"elementId":"49"},["name","Subject"],["description","The topic of the resource"],["elementTextContainer",["elementText",{"elementTextId":"105"},["text","Iron casting technology"]]]],["element",{"elementId":"39"},["name","Creator"],["description","An entity primarily responsible for making the resource"],["elementTextContainer",["elementText",{"elementTextId":"106"},["text","unknown"]]]],["element",{"elementId":"46"},["name","Relation"],["description","A related resource"],["elementTextContainer",["elementText",{"elementTextId":"107"},["text","Nodular cast iron"]]]],["element",{"elementId":"51"},["name","Type"],["description","The nature or genre of the resource"],["elementTextContainer",["elementText",{"elementTextId":"108"},["text","Skills"]]]],["element",{"elementId":"38"},["name","Coverage"],["description","The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant"],["elementTextContainer",["elementText",{"elementTextId":"109"},["text","Weapons and tools"]]]],["element",{"elementId":"37"},["name","Contributor"],["description","An entity responsible for making contributions to the resource"],["elementTextContainer",["elementText",{"elementTextId":"142"},["text","unknown"]]]],["element",{"elementId":"42"},["name","Format"],["description","The file format, physical medium, or dimensions of the resource"],["elementTextContainer",["elementText",{"elementTextId":"258"},["text","Production method"]]]]]]]]