By doing so, you're only gonna be get a nice, and neat place, but you can also manage this step without lifting a finger yourself.
The dry powder used in this process a absorptive material made of detergent, solvent and very small amount water. They are hired also for emptying trash containers. http://Ttceducation.Co.kr/bbs/board.php?bo_table=free&wr_id=2175641