“From the Greek: ergon = work; nomos = natural laws. The science of work: of the people who do it and the ways it is done; the tools and the equipment they use, the places they work in, and the psychosocial aspects of the working situation.”
“The study of the engineering aspects of the relationship between workers and their working environment.”
Reference: Daintith, John; Martin, Elizabeth. Dictionary of Science.6th edition.Pag 297
“The science of designing machines and work environments to suit the needs of people.”
Reference; Tomsic, J”oan.Dictionary of Materials and Testing.2nd edition.Pag 157.