O
Oba, Obeeya
→ see Big Room
Ohno circle
Used when standing over an extended period of time in one location (in a hula hoop or in a circle drawn on the ground) in order to observe first-hand what is taking place in a surrounding area (work place).
Named after Taiichi Ohno (1912-1990).
operation
Part of a process that can be designed and tested in a first run study in order to figure out what specific steps to take.
output
The product or service resulting from execution of a (transformation) process.
output rate, throughput
[unit of product/unit of time]
The average time between outputs of successive units.
Example: A builder completes houses at an output rate of 3.2 houses/month.
Related → see Little’s Law
overprocessing
One of 7 wastes defined by Ohno (1988) referring to taking more processing steps or more time, or producing work that exceeds the customer’s explicit expectations.
overproduction
One of 7 wastes defined by Ohno (1988) referring to producing more than needed before it is needed.