1. goes to C.
2. goes to B.
3. goes to A.
The responsibility for failures was deflected away from the automated parts of the system (and the humans, such as engineers, whose control is mediated through this automation) and placed on the immediate human operators, who possessed only limited knowledge and control.
A trademark is a sign, symbol, name, or short phrase that indicates the source of a product or service.
By being willing to communicate and troubleshoot.