Which of the following should technicians NOT attempt before cleaning?

Technicians should avoid removing cushion covers without first verifying their cleaning guidelines and compatibility with the fabric. Many upholstery fabrics are designed to be cleaned in specific ways, and removing covers could damage the fabric, especially if they are not designed for machine washing. Additionally, certain cushion covers may have zippers or other components that could be compromised during the removal process.

Cleaning surfaces with water, applying cleaning solutions directly, and testing fabric blends for compatibility all involve essential preparatory steps to ensure safe and effective cleaning. For instance, using water where appropriate is often a standard procedure, as is applying the correct cleaning solution, and testing fabric blends is crucial for determining the right cleaning method. These actions contribute to the overall efficacy of the cleaning process while maximizing the longevity and appearance of the upholstery.