analog angles color colored colors colour coloured colours communication connected connections dirty dusty electrical electricity electronic equipment gadgetry insulated insulation metal no-longer-in-use numbered numbers numerals old outdated perspectives plastic plastics pre-digital switchboard switches telecommunications telephones telephony unwanted useless weathered wires wiring worn board circuit-board components computer connecting Dirt disconnected inside internal linked links miniature part parts printed-circuit small surface surfaces transistors abstract boards circuit-boards decorated decorative devices distinctive fusible-metal-alloy interlinked patterns permanently-bonded printed-circuits solder solidify circuitry complexity complx computer-hardware electronics lines recycling technology complex art psychedelic-colors psychedelic-colours