Sensory neuron. Sensory neurons are nerve cells within the nervous system responsible for converting external stimuli from the organism’s environment into internal electrical impulses. For example, some sensory neurons respond to tactile stimuli and can activate motor neurons in order to achieve muscle contraction.
Drive up ATM buttons contain braille because U.S. regulations require it. The ADA Accessibility Guidelines for Buildings and Facilities says, “Instructions and all information for use of an automated teller machine shall be made accessible to and independently usable by persons with vision impairments.”
When the coolant temp is low it closes and allows the engine to warm to the designed temperature.The are three most likely causes. A defective thermostat that stays open. This allows the coolant to flow thru the radiator and actually overcools the engine. It could also be a defective gauge ot sensor.