At present, the problem of cleaning the old fashioned way, shutter must crack the shutters and glass clean potentially more than cleaning. The mirror shutter at all at the bottom of glass shutters that are difficult to clean. It is a problem as well as home care, housekeeping, etc. My group is therefore to devise tools for cleaning shutters, to save time on cleaning and can also be an accident from cleans shutters.
การแปล กรุณารอสักครู่..
