Question: how to clean a garage floor
Option 0: Remove any moss or roots that have grown on exterior concrete. Spray the concrete. Cover the floor with a dusting of cleaner. Scrub the floor.    Rinse the concrete with clean water.
Option 1: Remove any moss or roots that have grown on exterior concrete. Spray the concrete. Cover the floor with a dusting of cleaner. Scrub the refrigerator    Rinse the concrete with clean water.
Answer: 0