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How often should you inspect the intake air duct and cooling fan of an inverter for accumulation of dirt and debris?
Material Reality
Refers to the physical world or physical aspects of existence as perceived through the senses, independent of mental constructions or interpretations.
Human Activities
Actions or endeavors undertaken by people that impact the environment, society, or economy, encompassing a wide range of behaviors and processes.
Material Purpose
The inherent or intended function of a material object, often relating to its practical use or role in achieving a goal.
Material Needs
Basic necessities required for individuals to maintain their physical well-being, such as food, shelter, and clothing.
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