http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Thiết kế mô hình ba chiều với Mechanical Desktop
Thiết kế mô hình ba chiều-Mô hình ống lót-Mô hình chốt chặn-Mô hình súng phun