Machine States
This is followed by the definition of machine states, which are recurrent in webapp modules:
Idle: the machine is in a condition to produce, but is not operational
Productive: the machine is producing
Downtime: the machine is in a down state
Downtime is divided into:
Stop: the machine is in standstill due to internal causes
Preparation: the machine is being prepared
Suspension: the machine is stopped due to external causes