Of the following, which is the MOST aggressive agitation tool available for cleaning HVAC systems?
Of the following, which is the MOST aggressive agitation tool available for cleaning HVAC systems?
Among the listed options, a metal brush is the most aggressive agitation tool available for cleaning HVAC systems. Metal brushes are known for their ability to physically scrape and remove debris, making them particularly effective at cleaning built-up dirt and debris. In contrast, tools like air compressors and robots with cameras serve different functions and do not provide the same level of physical agitation and cleaning power as a metal brush.
C. and the correct answer