The Line Of Balance (LOB) process is employed when a repetitive process exists within the contract’s work scope. The manufacturing of parts and the assembly of units in the factory are two candidates for the use of LOB.
Line of Balance (“LOB”) – A graphical display of scheduled units versus actual units over a given set of critical schedule control points on a particular day. The line of balance technique is oriented towards the control of production activities. (Wideman Comparative Glossary of Common Project Management Terms v2.1)