the want of a wiring describes the eyes of that discard
hook_and_eye is connector. person has two_eyes wiring is wiring. sheetresistance is electrical_resistance. inner_compartment_of_hose has air_or_gas magnifying_glass is vision_aid. have_depth_perception_because has two_eyes wiring is use_of_devices. lamp_for_nurseries is electric_lamp. wiring is equipping.