1.) should know the various devices of vacuum components and methods of use
2.) Keep the power cord of a vacuum cleaner. Keep it tidy To make it easier to use,
3.) should check the equipment before each use as components, filters, dust
4.) clean the filter each time after use. If there is too much dust may cause the motor to work harder. Vacuum and corruption
5.) Do not use a vacuum cleaner to clean water or sharp pieces of glass, metal fragments.