cable.plug charge computer connector device electric electricity laptop. mobile tablet wire electrical device power power button remote control switch off switch on audio cable cables chord chords connect electronic electronics equipment jack plug video bite dead household insect insects kill killing mosquito mosquitos plug-in plugged repellent killer abstract background backgrounds board capacitor card chip circuit close-up closeup communication component connection data detail digital electrical engineering green hardware high industry information integrated macro micro microchip modern mother motherboard network old part pattern PC processor science semiconductor server system tech technology wallpaper boards circuit-boards color colored colors colour coloured colours components connected connecting connections decorated decorative devices distinctive fusible-metal-alloy gadgetry inside interlinked internal linked links metal miniature no-longer-in-use outdated parts patterns permanently-bonded plastic plastics printed-circuits solder solidify surface surfaces unwanted useless billies billy conserved-heat container convenient cooking-device durability durable economical efficient fuel-minimises fuel-minimizes handles heat-loss-minimised heat-loss-minimized heat-retention ice-cooler inner-pots insulated insulation keeps-flavour less-evaporation lids non-electric pan picnics portable portable-oven pot pots retained-heat retains-nutrients rice-cooker safe safer sauce-pan slow-cooker spill-proof stainless-steel strong thermal-cooker thermal-cooking thermal-insulation thermos-vacuum travel vacuum-cooker vacuum-flask water-saver zero-energy-use