During the stage, employees are trained in manufacturing and products are carefully inspected for residual flaws.

During the product development stage, employees are trained in manufacturing and products are carefully inspected for residual flaws.

During product development workers are putting together the product and making sure there are no flaws the eye can see. These employees are making sure the presentation of the item whether it's just constructing the item from the beginning or modifying it before moving on to the next phase of production. 

Budgeting sounds like the most logical answer.