
139Basic Lean Concepts and Tools– Assessment and Analyze
effectively doubling their capacity. The concept of eliminating waste in motions and transforming
them into work is known as labor density. The formula for this is work divided by motion with a goal
of 100%.
34
One thing to keep in mind is that not all motion is work. Only work that is value-added
or necessary should be considered true work.
34
Japanese Management Association, Kanban Just-in-Time (New York: Productivity Press) 1986.
FIGURE 5.23 Gilbreth Bricklayers - Material Presentation Before. Source: Motion Study, Gilbreth, Hive
Publishing © 1911.
FIGURE 5.22 Gilbreth Bricklayers - Right ...