While power washing is an effective method for cleaning various surfaces, it's important to understand its limitations. Certain stains, such as oil or rust, may require specialized treatments beyond just high-pressure water. Additionally, delicate surfaces like wood or painted areas can be damaged if not handled properly. Factors like the type of stain, surface material, and the power washer's settings all play a crucial role in the cleaning process. Curious about the best methods for tackling tough stains? Ask Improvi.ai for personalized guidance!