In automation, there is more steps than that. You would use barriers, where one should be physical. For certain applications, you would also use a failsafe feedback loop. In this case, disaster could have been averted with a flow restrictor valve.
In automation, there is more steps than that. You would use barriers, where one should be physical. For certain applications, you would also use a failsafe feedback loop. In this case, disaster could have been averted with a flow restrictor valve.