As the complaint was that the car heater works at times but at other times it blows cold air, then the main culprit would be the thermostat. However, Technician B may partly be right as the coolant level om the cooling system could determine the working level of the heater also.
Explanation:
Actually, the thermostat determine the temperature level of the engine with which the car system works with to produce necessary heat whenever the heater is turned on.
In order to make sure that the the temperature in the car is kept at constant proportion automobiles are made to have a coolant system or a cooling system. Now, in the above question, the customer said during driving that the heater works sometimes and sometimes only cold air comes. The second technician that is technician B is right because the reason behind the customer's complaint maybe because of low coolant.
The car coolant system might be low because there is blockage in the thermostat or a leak in the radiator.
Creo que se debe a la forma en que el estilo de vida moderno ha crecido y evolucionado hasta convertirse en algo más grande que puede ayudarnos a encontrar oro mucho mejor y más rápido que en el pasado, por lo que esa sería una razón.
I believe the answer is: Psychologist Psychology is a discipline that aimed to study all aspects of mind and behavior (both conscious and unconscious) Scientific methodology under this discipline is used to found out the pattern on how the majority people react/behave when they're placed under certain occurrences
