What's process

A process is a unique set of conditions that takes the inputs and produces the output.

A process is the composition of

• Materials: e.g. raw materials
• manpower: e.g. labor
• methods: e.g. operational procedures
• machines: e.g. tools and equipment
• measurement: e.g. test equipment
• maintenance: e.g. preventive maintenance
• management: e.g. polices, culture

Output varies due to common and assignable causes.