Bleach is an effective and easy to use sanitizer, disinfectant for all kinds of commercial and household cleaning.  Great for all kinds of hard surfaces like concrete in manufacturing plants, pools and spa areas, and even driveways and some siding materials too. (* Always test surfaces and finishes)
Used in water treatment, water purification -disinfecting, mold treatment, drinking water, hard surface chleaning and bleaching for cleaning and disinfecting, odor removal and more. Often used for powerwashing.