Six sigma principles apply to manufacturing and which of the following

Six sigma principles apply to manufacturing as well as to public sector education.
These principles refer to the elimination of errors and improving the overall quality of a product or work. They can be very important in manufacturing, where everything has to be done precisely, but also in education where mistakes should be eliminated. 

Focus on yourself g. if they left you for someone else, they clearly arent worth your time and you needa focus on making yourself a better you and love yourself before someone else k?