[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-detail-665052-en":59,"doc-seo-665052-105":82},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":5,"data":60},{"doc_id":61,"user_id":62,"nickname":63,"user_avatar":64,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":66,"doc_content":67,"file_id":68,"file_url":69,"file_type":70,"file_size":71,"view_count":72,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":73,"language":74,"language_code":75,"site_id":76,"html_lang":75,"table_of_contents":77,"faqs":78,"seo_title":79,"seo_description":66,"update_tm":80,"read_time":81},665052,962093541925,"Dusta123","https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","The Alphabet of Lines - Introduction to Drafting and Design","Introduction to Drafting and Design explains how the “Alphabet of Lines” helps make engineering drawings neater, clearer, and easier to interpret. It describes how different line types communicate distinct aspects of a drawing, from barely visible construction lines to prominent visible edges and thick outline edges. The content covers hidden edges, centerlines, dimensioning and extension lines, leaders, phantom and border-related representations, and break lines, emphasizing standard spacing and dash patterns to reduce clutter.","Introduction to Drafting and Design  \n􀂃 Developed by the American Society of Mechanical Engineers (ASME) .  \n􀂃 The Alphabet of Lines is used to make a drawing neater and clearer to understand.  \n􀂃 Different lines represent different aspects of a drawing.  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \n􀂃  \nConstruction Lines Visible/Object Lines Hidden Lines Center Lines Dimension Lines Extension Lines Phantom Lines Long Break Lines Short Break Lines Cutting-plane Lines Section Lines Chain Lines Leaders Symmetry Lines Border Lines  \n􀂃 Used to initially lay out a drawings.  \n􀂃 Used for guidelines for lettering.  \n􀂃 Drawn very light and thin so that they are barely visible.  \n􀂃 Used to represent the visible edges of an object.  \n􀂃 Should bethe most prominent on the drawing.  \n􀂃 Drawn thick and dark.  \n􀂃 These are thicker than construction lines.  \n􀂃 Used to represent edges, surfaces or corners of an object hidden from view.  \n􀂃 Drawn as thin, dark dashed lines.  \n􀂃 Spacing can vary slightly.  \n􀂃 Only the most important hidden parts are shown on the drawing to keep the drawings from becoming cluttered.  \n􀂃 Used to show the center of circles and arcs.  \n􀂃 Drawn as thin lines.  \n􀂃 Drawn using two long dashes and a shorter dash.  \n􀂃 To show the center of a round object, two centerlines are used so that the short dashes cross in the center.  \n􀂃 Used for dimensioning and notes.  \n􀂃 Drawn as thin lines.  \n􀂃 Drawn with arrowheads on each end and placed between extension lines.  \n􀂃 The dimension is lettered above the dimension line approximately halfway between the two extension lines.  \n􀂃 Used to extend dimensions from the related objects.  \n􀂃 Drawn as thin lines.  \n􀂃 Drawn with a short space between the object and line.  \n􀂃 Extend about 3 mm beyond the dimension line.  \n􀂃 Used to show objects that are not hidden but they are simply not in view.  \n􀂃 Also used to indicate alternate positions of moving parts, lines of motion, adjacent parts and repetitive details.  \n􀂃 Drawn as thin, dark lines.","cbCaiqERcmvALvyz","https://ap.wps.com/l/cbCaiqERcmvALvyz","pdf",685164,3,18,"English","en",105,"# Alphabet of Lines Purpose\n## Construction Lines and Guidelines\n## Visible, Hidden, and Center Lines\n## Dimension, Extension, and Leader Lines\n## Break, Phantom, and Border/Section Line Types","[{\"question\":\"What is the purpose of the Alphabet of Lines in drafting and design?\",\"answer\":\"It is used to make a drawing neater and clearer to understand. Different lines represent different aspects of a drawing.\"},{\"question\":\"How are construction lines drawn and where are they used?\",\"answer\":\"Construction lines are drawn very light and thin so they are barely visible. They are used to initially lay out drawings and as guidelines for lettering.\"},{\"question\":\"How do extension lines and dimension lines work in dimensioning?\",\"answer\":\"Extension lines extend dimensions from related objects and are drawn with short spaces and specific extension beyond the dimension line. Dimension lines have arrowheads on each end, and the dimension text is placed above the dimension line approximately halfway between extension lines.\"}]","The Alphabet of Lines - Introduction to Drafting and Design | PDF",1793287043,45,{"code":4,"msg":83,"data":84},"ok",{"site_id":76,"language":75,"slug":85,"title":65,"keywords":86,"description":66,"schema_data":87,"social_meta":140,"head_meta":142,"extra_data":144,"updated_unix":80},"the-alphabet-of-lines-introduction-to-drafting-and-design","",{"@graph":88,"@context":139},[89,102,122],{"@type":90,"itemListElement":91},"BreadcrumbList",[92,96,98,100],{"item":93,"name":94,"@type":95,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":97,"name":9,"@type":95,"position":14},"https://docshare.wps.com/document/",{"item":99,"name":30,"@type":95,"position":72},"https://docshare.wps.com/document/technology/",{"item":101,"name":65,"@type":95,"position":19},"https://docshare.wps.com/document/the-alphabet-of-lines-introduction-to-drafting-and-design/665052/",{"url":101,"name":65,"@type":103,"image":104,"author":109,"headline":65,"publisher":111,"fileFormat":114,"inLanguage":75,"description":66,"dateModified":115,"datePublished":116,"encodingFormat":114,"isAccessibleForFree":117,"interactionStatistic":118},"DigitalDocument",{"url":105,"@type":106,"width":107,"height":108},"https://docshare.wps.com/thumbnails/the-alphabet-of-lines-introduction-to-drafting-and-design/665052.png","ImageObject",300,407,{"name":63,"@type":110},"Person",{"url":93,"name":112,"@type":113},"DocShare","Organization","application/pdf","2026-10-30","2026-10-29",true,{"@type":119,"interactionType":120,"userInteractionCount":72},"InteractionCounter",{"@type":121},"ViewAction",{"@type":123,"mainEntity":124},"FAQPage",[125,131,135],{"name":126,"@type":127,"acceptedAnswer":128},"What is the purpose of the Alphabet of Lines in drafting and design?","Question",{"text":129,"@type":130},"It is used to make a drawing neater and clearer to understand. Different lines represent different aspects of a drawing.","Answer",{"name":132,"@type":127,"acceptedAnswer":133},"How are construction lines drawn and where are they used?",{"text":134,"@type":130},"Construction lines are drawn very light and thin so they are barely visible. They are used to initially lay out drawings and as guidelines for lettering.",{"name":136,"@type":127,"acceptedAnswer":137},"How do extension lines and dimension lines work in dimensioning?",{"text":138,"@type":130},"Extension lines extend dimensions from related objects and are drawn with short spaces and specific extension beyond the dimension line. Dimension lines have arrowheads on each end, and the dimension text is placed above the dimension line approximately halfway between extension lines.","https://schema.org",{"og:url":101,"og:type":141,"og:title":65,"og:site_name":112,"og:description":66},"article",{"robots":143,"canonical":101},"index,follow",{"doc_id":61,"site_id":76}]