What tool can be used to clean the inside cavity if there is build-up?

Using a long-handled brush to clean the inside cavity in instances of build-up is an effective choice because it allows for both reach and precision. The design of a long-handled brush facilitates access to hard-to-reach areas without risking damage to sensitive components, which could occur with more abrasive or less controlled cleaning methods. The bristles of the brush can effectively dislodge debris or residue without scratching or harming surfaces, making it suitable for meticulous cleaning tasks.

This method ensures that the cleaning process is thorough, helping to maintain the integrity and functionality of the equipment. Other cleaning tools, while useful in different scenarios, might not provide the same level of effectiveness or safety for this specific task. For example, a handheld vacuum may not reach all areas or could inadvertently damage fragile components, while an air compressor could blow debris further into the equipment. A damp cloth might not adequately handle stubborn build-up, especially in tight spaces. The long-handled brush, therefore, stands out as the best option for addressing this particular cleaning need.