Classificação da Biblioteca do Congresso dos EUA (LCC)TK9960.C66

amateur(19) architecture(12) art(5) children(7) children's(10) communication(10) computer(40) computer science(16) computers(84) computing(20) construction(25) design(18) digital(11) diy(181) education(9) electronic(11) energy(6) engineering(79) evil genius(8) experiments(20) games(11) geek(7) guide(7) hacking(16) hacks(6) handbook(11) history(20) household(11) how-to(161) humble(5) humor(7) instruction(8) instructional(12) invention(5) inventions(9) juvenile(5) music(52) photography(6) programming(8) projects(64) radio(325) reference(201) repair(34) robotics(6) science(188) science and technology(9) security(5) self-help(14) self-sufficiency(6) sound(10) spy(9) study guide(6) survival(10) tech(17) technique(9) tools(8) working(6) workshop(5) writing(6)