Final answer:
Remote pushbuttons are used to control the pump in systems with motorized pumps like power brakes and bulldozers, offering safety and efficiency.
Step-by-step explanation:
Remote pushbuttons are utilized in Systems with motorized pumps, such as power brakes and those in bulldozers, to control the pump. The primary function of these pushbuttons is to start or stop the pump as needed. It allows an operator to manage the flow and pressure of hydraulic or pneumatic fluid within the system, without being in direct contact with the pump itself. By doing so, remote pushbuttons enhance safety and efficiency by allowing precise control over the heavy machinery or vehicle systems.