To understand that the content of the original insert in the table come from?Can fill out, put in accurate.The amount saved has a different effect can be traced and corrected immediately.
To understand that content to fill in the square from which information can be put on the table was accurate when it hits recorded with different results. To detect and fix it immediately.
Understand that the content used to fill in the table where it came from.Can fill in in the grid,Strain balance that record has different. Can check and fix it immediately.