Step 1: Understanding the Concept: The study of how humans interact with their tools, environments, and tasks aims to improve efficiency and safety.
Step 2: Detailed Explanation: 'Human Factors Engineering' focuses on designing equipment, devices, and processes that fit the human body and its cognitive abilities.
This field is universally synonymous with 'Ergonomics', derived from the Greek words 'ergon' (work) and 'nomos' (natural laws).
Anthropometry (study of body measurements) and Biomechanics (study of mechanical laws relating to movement) are sub-disciplines that feed data into Ergonomics, but are not the complete term.
Step 3: Final Answer: The equivalent term is Ergonomics.