Guarantee they perform an extensive pre-inspection, spot testing, and moving of light furniture
https://mighty-wiki.win/index.php/Tile_and_Carpet_Cleaning_Services_Checklist:_From_Grout_Cleaning_to_Deep_Steam_in_St_George_46735
Ensure they carry out a thorough pre-inspection, area screening, and moving of light furnishings, with clear policies on fragile products.