Classificação da Biblioteca do Congresso dos E.U.A. (LCC)TK9965.T9324

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)