: inflammation of several muscles at once; specifically : an inflammatory muscle disease of unknown cause that affects muscles and chiefly skeletal muscles and is characterized especially by weakness of the muscles (such as those of the shoulder, neck, or hip) closest to the trunk â see dermatomyositis.
Indirect labor costs are not readily identifiable with a specific task or work order. They are termed indirect costs and are charged to overhead accounts. Use indirect labor in a sentence. At our plant most of our employees are direct labor and a smaller portion are indirect labor that are not directly involved in the production process.
Definition: Direct labor is production or services labor that is assigned to a specific product, cost center, or work order.irect labor is considered to be a direct cost, which means that it varies directly with revenue or some other measure of activity.