the student connects the wire wrapping an iron nail to a battery
lock_knife is folding_knife. flatwork is ironing. nailing is connecting_together_rigidly. quartz_battery is stamp_mill. christmas_wrapping_paper is wrapper. iron_metal has important_magnetic_properties ironing_board is mechanical_device. tire_iron is rigid_portable_object. clothing_iron is wrinkle_removing_device. nickel_iron_battery is storage_battery.