Human factors engineering is the design of systems, equipment and processes to optimise the interface with the operator.
Specifically protection against inherent human fallibilities but also optimising capabilities – generally in complex or safety critical work environments.
See DMIRS information on Human Factors and why its important here.
https://dmp.wa.gov.au/Safety/Human-and-organisational-21920.aspx
We have lead multiple projects here in Perth in the application Human Factors within safety critical industries.