Answer:
ultraviolet light very effective kills on all surfaces expensive we cannot be present when there often required some cleanup
fumigation easy to use cheap great for flat surfaces effective does not work well on political surfaces can be smiley and require cleanup
hit pressure very effective kill on all surfaces no clean up needed however it takes a lot of time and cannot be used on large object
liquid cleaners easy cheap great for flat surface no clean up not effective in shadows does not kill all microbes