abstract boards circuit-boards circuitry colored colors coloured colours communication complex complexity components computer computer-hardware connected connecting connections devices distinctive electrical electricity electronics equipment fusible-metal-alloy gadgetry inside interlinked internal lines linked links metal miniature no-longer-in-use outdated part parts patterns permanently-bonded plastics printed-circuits recycling solder solidify surface surfaces technology unwanted useless blank board brainstorm brainstorming briefing business chair company conference management meeting office poster presentation room table training white workplace blue brown countryside house long bench old romantic rual rustic shutters stone slabs wall window wood wooden background batten floor flooring grain ground parquet parquetry pattern plank planking plywood texture timber timbered vein England english gray Great Britain grey grunge grungy painted parking prohibition request restriction road sign Surrey blan clip clips different little memo message messages note notes paper papers sheet