How It Works in the HomeFerguson Publishing Company, 1982 - 153 pages |
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Common terms and phrases
armature battery blades brush bulb burner burns called camera carpet carrier wave central heating central heating system circuit clock clockwork cooking cool cylinder Derailleur gears dial disc door drive belts drum elec electric current Electric motor electromagnets electronic feed film gate filter fingerplate fitted float valve flows fountain pen furnace fusebox gears gearwheels glass grill handle heater Heating coil heating element holes hot water inlet inside insulation iron kettle kind lamp lens lever light liquid lock machine Magnet magnifying metal microphone microwave oven mirror Mortise lock moves movie projector needle outlet oven passes pedal picture pinion pipe plate plug Plunger pointer pressure projector pulley pump push record roller screw shaft shutter slide slide projector socket sound spin spool spray spring stove switch tank tape temperature thermostat thread tube turns valve vibrate washing Water Clocks window wire