The work capabilities not only
depend on physical conditions only but also other important aspects like
mental, social as well as psychological. According to International Ergonomics
Association Ergonomics is defined as “it is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data and methods to
design in order to optimize human well-being and overall system performance”.
Ergonomics help in harmonizing things that may interact in terms of workers
abilities, limitations and needs.