The mechanical failures were compounded Cause_to_amalgamate by the initial failure of plant operators to recognize Know the situation as a loss-of-coolant accident due to inadequate Cause_to_make_progress training Practice and human factors , such as human-computer interaction design oversights relating to ambiguous control room indicators in the power plant 's user interface .

The interface of the autopilot used on airliners was redesigned Reforming_a_system to make it more ergonomic .