Business services is a general term that describes work that supports a business but does not produce a tangible commodity. Information technology (IT) is an important business service that supports many other business services such as procurement, shipping and finance.
A mass airflow sensor. A mass (air) flow sensor (MAF) is used to find out the mass flowrate of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density as it expands and contracts with temperature and pressure.
Particle accumulation: Certain times the mass air flow will not perform well due to the reason it is dirty. Even though the air that sent through the mass air flow is filtered, tiny particles will get by and deposit on the sensor.Mostly, this deposition will not be major sufficient to damage the MAF, but serious accumulation can cause disturbance.