Classificazione LCTA41

ai(17) algorithms(26) ancient(64) archaeology(63) architecture(825) art(111) artificial intelligence(26) boats(28) bridges(47) buildings(69) business(132) careers(17) cars(39) chemistry(133) children's(69) cities(36) civil(55) computation(10) computer(54) computer science(161) computers(59) computing(42) construction(378) culture(47) design(671) digital(77) economics(128) economy(30) engineering(2,429) Enterprise(14) ethics(36) general science(17) glass(23) graphics(19) handbook(64) history(1,003) history of science(57) information technology(18) innovation(45) invention(21) inventions(18) machines(50) management(34) manufacturing(80) math(555) matter(14) nanotechnology(112) natural science(21) optimization(13) photographs(29) photography(75) picture book(113) popular science(54) programming(109) reference(367) research(43) science(1,290) science and technology(32) shipping(38) shock(6) social studies(39) software(42) standards(14) statistics(28) steel(92) structure(19) systems(15) tech(21) trucks(106) urban(35) urban planning(24) vehicles(66) vision(14) wood(106)