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Target Environmental sanitation, building cleaner for in, outdoor vacuum.
Background From Environmental sanitation, building cleaner Typical challenges First, To attend with a variety of tools the action is not free.
Second, Tools should be stored separately doeseo uncomfortable, Bad hygiene.The third From dawn to work because of Safety is weak.And Bowed at the waist for a long time Repeat Causes back pain.The move was also limited by the use of the cleaners cleaner cord.Concept Light for nighttime.in,out Freely available.Butterfly toy form motive. Designed for street cleaners and building janitor to Universal Design
Gyeonggi-do Province, South Korea