If your vacuum cleaner contains bags you should change them regularly to clean it appropriately.
If you consider vacuum trip dirt and it still looks dirty, it'd be a person to clean it with a cleaning solution and rain. A small three story business building can be cleaned by as low as three team. https://Bookmarkspring.com/story12741046/carpet-steam-cleaners-for-your-home-kitchen-%EC%9E%90%EC%9C%A0%EA%B2%8C%EC%8B%9C%ED%8C%90-ml