Main Page | See live article | Alphabetical index Class T: Technology is a classification used by the Library of Congress classification system. This article outlines the subclasses of Class T T -- Technology (General) TA-- Engineering (General). Civil Engineering TC-- Hydraulic engineering - Ocean Engineering TD-- Environmental Technology. Sanitary Engineering TE-- Highway engineering. Roads and pavements TF-- Railroad engineering and operation TG-- Bridge engineering TH-- Building construction TJ-- Mechanical engineering and machinery TK-- Electrical engineering. Electronics. Nuclear engineering TL-- Motor vehicles. Aeronautics. Astronautics TN-- Mining engineering. Metallurgy TP-- Chemical technology TR-- Photography TS-- Manufactures TT-- Handicrafts. Arts and crafts TX-- Home economics This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.