The concept of labour health, safety and welfare are flexible and widely differs with respect to the time, region,
industry, country, social value and customs, degree of industrialization the general socio economic development of the
people and political ideologies prevailing during a particular time frame.
It is also, molded according to the age group, sex, socio-cultural background, economic status and educational
level of workers in various industries. Accordingly, the concept cannot be very precisely defined. However, experts treat it
in their own way.